Patched to compile.

platform/windows.c

@@ -256,7 +256,7 @@ static HANDLE WINAPI fallbackCreateFileW(LPCWSTR fname,
 } /* fallbackCreateFileW */
 
 
-#if (PHYSFS_MINIMUM_GCC_VERSION(3,3))
+#if PHYSFS_MINIMUM_GCC_VERSION(3,3)
     typedef FARPROC __attribute__((__may_alias__)) PHYSFS_FARPROC;
 #else
     typedef FARPROC PHYSFS_FARPROC;