Fixed a win2000 bug causing a crash

Changes

@@ -793,3 +793,5 @@ seen. gmtime warning still there
 - /who fixes regarding +I +H and crap
 - Preparation for beta2
 - Fixed sts on crack win32 code
+- Fixed a win2000 bug causing Unreal to crash on the credits dialog, thanks to llthangel and WildChild for 
+  helping fix the bug

src/win32/Win32GUI.c

@@ -1268,11 +1268,11 @@ LRESULT CALLBACK ColorDLG(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 
 /* find how big a buffer expansion we need for RTF transformation */
 int CountRTFSize(char *buffer) {
-	int size;
+	int size = 0;
 	short bold = 0, uline = 0, reverse = 0;
 	char *buf = buffer;
 
-	for (; *buf; buf++) {
+	for (; *buf; buf++, size++) {
 		if (*buf == '{' || *buf == '}' || *buf == '\\') {
 			size++;
 			continue;