oleaut32: Move common define to a header.

dlls/oleaut32/typelib.c

@@ -2744,7 +2744,7 @@ static HRESULT TLB_Mapping_Open(LPCWSTR path, LPVOID *ppBase, DWORD *pdwTLBLengt
  * find the type of the typelib file and map the typelib resource into
  * the memory
  */
-#define MSFT_SIGNATURE 0x5446534D /* "MSFT" */
+
 #define SLTG_SIGNATURE 0x47544c53 /* "SLTG" */
 static HRESULT TLB_ReadTypeLib(LPCWSTR pszFileName, LPWSTR pszPath, UINT cchPath, ITypeLib2 **ppTypeLib)
 {

dlls/oleaut32/typelib.h

@@ -52,8 +52,11 @@
  * it is at the beginning of a type lib file
  *
  */
+
+#define MSFT_SIGNATURE 0x5446534D /* "MSFT" */
+
 typedef struct tagMSFT_Header {
-/*0x00*/INT magic1;       /* 0x5446534D "MSFT" */
+/*0x00*/INT   magic1;       /* 0x5446534D "MSFT" */
         INT   magic2;       /* 0x00010002 version nr? */
         INT   posguid;      /* position of libid in guid table  */
                             /* (should be,  else -1) */

dlls/oleaut32/typelib2.c

@@ -260,7 +260,7 @@ static inline SYSKIND ctl2_get_syskind(const ICreateTypeLib2Impl *This)
 static void ctl2_init_header(
 	ICreateTypeLib2Impl *This) /* [I] The typelib to initialize. */
 {
-    This->typelib_header.magic1 = 0x5446534d;
+    This->typelib_header.magic1 = MSFT_SIGNATURE;
     This->typelib_header.magic2 = 0x00010002;
     This->typelib_header.posguid = -1;
     This->typelib_header.lcid = This->typelib_header.lcid2 = GetUserDefaultLCID();