[PATCH 04/12] mshtml: Global variable compatibility update for gcc 10

[Michael Cronenworth]

https://gcc.gnu.org/gcc-10/porting_to.html#common
---
 dlls/mshtml/htmlstyle.h      |  2 +-
 dlls/mshtml/main.c           |  7 +++++++
 dlls/mshtml/mshtml_private.h | 12 ++++++------
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/dlls/mshtml/htmlstyle.h b/dlls/mshtml/htmlstyle.h
index 9dcf3d9eed..7a83897043 100644
--- a/dlls/mshtml/htmlstyle.h
+++ b/dlls/mshtml/htmlstyle.h
@@ -142,7 +142,7 @@ void init_css_style(CSSStyle*,nsIDOMCSSStyleDeclaration*,style_qi_t,
                     dispex_static_data_t*,compat_mode_t) DECLSPEC_HIDDEN;
 
 void CSSStyle_init_dispex_info(dispex_data_t *info, compat_mode_t mode) DECLSPEC_HIDDEN;
-const dispex_static_data_vtbl_t CSSStyle_dispex_vtbl DECLSPEC_HIDDEN;
+extern const dispex_static_data_vtbl_t CSSStyle_dispex_vtbl DECLSPEC_HIDDEN;
 
 HRESULT get_style_property(CSSStyle*,styleid_t,BSTR*) DECLSPEC_HIDDEN;
 HRESULT get_style_property_var(CSSStyle*,styleid_t,VARIANT*) DECLSPEC_HIDDEN;
diff --git a/dlls/mshtml/main.c b/dlls/mshtml/main.c
index 29396a5475..e2c927c5f9 100644
--- a/dlls/mshtml/main.c
+++ b/dlls/mshtml/main.c
@@ -51,6 +51,13 @@ WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
 HINSTANCE hInst;
 DWORD mshtml_tls = TLS_OUT_OF_INDEXES;
 
+void (__cdecl *ccp_init)(ExternalCycleCollectionParticipant*,const CCObjCallback*);
+nsrefcnt (__cdecl *ccref_decr)(nsCycleCollectingAutoRefCnt*,nsISupports*,ExternalCycleCollectionParticipant*);
+nsrefcnt (__cdecl *ccref_incr)(nsCycleCollectingAutoRefCnt*,nsISupports*);
+void (__cdecl *ccref_init)(nsCycleCollectingAutoRefCnt*,nsrefcnt);
+void (__cdecl *describe_cc_node)(nsCycleCollectingAutoRefCnt*,const char*,nsCycleCollectionTraversalCallback*);
+void (__cdecl *note_cc_edge)(nsISupports*,const char*,nsCycleCollectionTraversalCallback*);
+
 static HINSTANCE shdoclc = NULL;
 static WCHAR *status_strings[IDS_STATUS_LAST-IDS_STATUS_FIRST+1];
 static IMultiLanguage2 *mlang;
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 9612b32608..cc9eefc528 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -355,12 +355,12 @@ typedef struct {
 
 DEFINE_GUID(IID_nsXPCOMCycleCollectionParticipant, 0x9674489b,0x1f6f,0x4550,0xa7,0x30, 0xcc,0xae,0xdd,0x10,0x4c,0xf9);
 
-nsrefcnt (__cdecl *ccref_incr)(nsCycleCollectingAutoRefCnt*,nsISupports*) DECLSPEC_HIDDEN;
-nsrefcnt (__cdecl *ccref_decr)(nsCycleCollectingAutoRefCnt*,nsISupports*,ExternalCycleCollectionParticipant*) DECLSPEC_HIDDEN;
-void (__cdecl *ccref_init)(nsCycleCollectingAutoRefCnt*,nsrefcnt) DECLSPEC_HIDDEN;
-void (__cdecl *ccp_init)(ExternalCycleCollectionParticipant*,const CCObjCallback*) DECLSPEC_HIDDEN;
-void (__cdecl *describe_cc_node)(nsCycleCollectingAutoRefCnt*,const char*,nsCycleCollectionTraversalCallback*) DECLSPEC_HIDDEN;
-void (__cdecl *note_cc_edge)(nsISupports*,const char*,nsCycleCollectionTraversalCallback*) DECLSPEC_HIDDEN;
+extern nsrefcnt (__cdecl *ccref_incr)(nsCycleCollectingAutoRefCnt*,nsISupports*) DECLSPEC_HIDDEN;
+extern nsrefcnt (__cdecl *ccref_decr)(nsCycleCollectingAutoRefCnt*,nsISupports*,ExternalCycleCollectionParticipant*) DECLSPEC_HIDDEN;
+extern void (__cdecl *ccref_init)(nsCycleCollectingAutoRefCnt*,nsrefcnt) DECLSPEC_HIDDEN;
+extern void (__cdecl *ccp_init)(ExternalCycleCollectionParticipant*,const CCObjCallback*) DECLSPEC_HIDDEN;
+extern void (__cdecl *describe_cc_node)(nsCycleCollectingAutoRefCnt*,const char*,nsCycleCollectionTraversalCallback*) DECLSPEC_HIDDEN;
+extern void (__cdecl *note_cc_edge)(nsISupports*,const char*,nsCycleCollectionTraversalCallback*) DECLSPEC_HIDDEN;
 
 void init_dispex_with_compat_mode(DispatchEx*,IUnknown*,dispex_static_data_t*,compat_mode_t) DECLSPEC_HIDDEN;
 void release_dispex(DispatchEx*) DECLSPEC_HIDDEN;
-- 
2.24.1