mapi32/tests: Write-strings warning fix

[Andrew Talbot]

Changelog:
    mapi32/tests: Write-strings warning fix.

diff -urN a/dlls/mapi32/tests/prop.c b/dlls/mapi32/tests/prop.c
--- a/dlls/mapi32/tests/prop.c	2006-06-14 12:54:38.000000000 +0100
+++ b/dlls/mapi32/tests/prop.c	2006-07-27 22:30:21.000000000 +0100
@@ -897,7 +897,7 @@
 static void test_FBadRglpszA(void)
 {
     LPSTR lpStrs[4];
-    char *szString = "A String";
+    static CHAR szString[] = "A String";
     BOOL bRet;
 
     pFBadRglpszA = (void*)GetProcAddress(hMapi32, "FBadRglpszA at 8");
@@ -922,7 +922,7 @@
 static void test_FBadRglpszW(void)
 {
     LPWSTR lpStrs[4];
-    WCHAR szString[] = { 'A',' ','S','t','r','i','n','g','\0' };
+    static WCHAR szString[] = { 'A',' ','S','t','r','i','n','g','\0' };
     BOOL bRet;
 
     pFBadRglpszW = (void*)GetProcAddress(hMapi32, "FBadRglpszW at 8");
@@ -1005,7 +1005,7 @@
 
 static void test_FBadProp(void)
 {
-    WCHAR szEmpty[] = { '\0' };
+    static WCHAR szEmpty[] = { '\0' };
     GUID iid;
     ULONG pt, res;
     SPropValue pv;