[janitor] dlls/oleaut32 -Wwrite-strings cleanup

[Daniel Marmier <d.marmier@bluewin.ch>]

Fixed warnings with gcc option "-Wwrite-strings".

Index: dlls/oleaut32/typelib.c
===================================================================
RCS file: /home/wine/wine/dlls/oleaut32/typelib.c,v
retrieving revision 1.100
diff -u -r1.100 typelib.c
--- dlls/oleaut32/typelib.c	5 Sep 2003 23:08:33 -0000	1.100
+++ dlls/oleaut32/typelib.c	5 Oct 2003 17:19:30 -0000
@@ -927,7 +927,7 @@
   MESSAGE("\t\twIdlflags: %d\n",idl->wIDLFlags);
 }
 
-static char * typekind_desc[] =
+static const char * typekind_desc[] =
 {
 	"TKIND_ENUM",
 	"TKIND_RECORD",
@@ -1924,7 +1924,7 @@
             }
             else
 	    { /* FIXME: This is a really bad hack to add IDispatch */
-              char* szStdOle     = "stdole2.tlb\0";
+              const char* szStdOle = "stdole2.tlb\0";
               int   nStdOleLen = strlen(szStdOle);
 	      TLBRefType **ppRef = &ptiRet->reflist;
 
Index: dlls/oleaut32/variant.c
===================================================================
RCS file: /home/wine/wine/dlls/oleaut32/variant.c,v
retrieving revision 1.72
diff -u -r1.72 variant.c
--- dlls/oleaut32/variant.c	3 Oct 2003 03:36:46 -0000	1.72
+++ dlls/oleaut32/variant.c	5 Oct 2003 17:20:02 -0000
@@ -143,10 +143,10 @@
 #define TOK_AMPM   0x2e
 
 typedef struct tagFORMATTOKEN {
-    char  *str;
-    BYTE   tokenSize;
-    BYTE   tokenId;
-    int    varTypeRequired;
+    const char  *str;
+    BYTE        tokenSize;
+    BYTE        tokenId;
+    int         varTypeRequired;
 } FORMATTOKEN;
 
 typedef struct tagFORMATHDR {
Index: dlls/oleaut32/tests/vartest.c
===================================================================
RCS file: /home/wine/wine/dlls/oleaut32/tests/vartest.c,v
retrieving revision 1.12
diff -u -r1.12 vartest.c
--- dlls/oleaut32/tests/vartest.c	3 Oct 2003 04:34:34 -0000	1.12
+++ dlls/oleaut32/tests/vartest.c	5 Oct 2003 17:20:20 -0000
@@ -117,7 +117,7 @@
     return buffer;
 }
 
-static OLECHAR* AtoW( char* p )
+static OLECHAR* AtoW( const char* p )
 {
     OLECHAR *buffer;
     DWORD len = MultiByteToWideChar( CP_ACP, 0, p, -1, NULL, 0 );
@@ -381,7 +381,7 @@
 /* These are the strings we use for the XxxFromStr tests.
  * The arrays that follow define the expected results for each type.
  */
-static char* _pTestStrA[] = {
+static const char* _pTestStrA[] = {
     "-2",
     "-1",
     "-0.51",