crt: msvcr90d.def.in: Fix I386 symbol alias _wfindnext

Symbol redirects in import libraries are defined by "==", while
"=" in def files is used to rename a symbol on export, while
linking a DLL (but that does not have any effect when creating
an import library with dlltool).

Signed-off-by: Martin Storsjö <martin@martin.st>
diff --git a/mingw-w64-crt/lib32/msvcr90d.def.in b/mingw-w64-crt/lib32/msvcr90d.def.in
index 4c31b63..db2eb6e 100644
--- a/mingw-w64-crt/lib32/msvcr90d.def.in
+++ b/mingw-w64-crt/lib32/msvcr90d.def.in
@@ -1295,7 +1295,7 @@
 _wfindfirst64
 _wfindfirst64i32
 _wfindnext32
-_wfindnext = _wfindnext32
+_wfindnext == _wfindnext32
 _wfindnext32i64
 _wfindnext64
 _wfindnext64i32