usp10: Check for pointer before using it (Coverity)

[André Hentschel]

psa is checked everywhere else in that function
CID: 5307
---
 dlls/usp10/usp10.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/usp10/usp10.c b/dlls/usp10/usp10.c
index 5416254..7758800 100644
--- a/dlls/usp10/usp10.c
+++ b/dlls/usp10/usp10.c
@@ -2726,7 +2726,7 @@ HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc,
     ((ScriptCache *)*psc)->userLang = tagLangSys;
 
     /* set fNoGlyphIndex non truetype/opentype fonts */
-    if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
+    if (psa && !psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
         psa->fNoGlyphIndex = TRUE;
 
     /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
-- 

Best Regards, André Hentschel
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