Fix typo

Author: petk

win32/build/config.w32.h.in

@@ -87,7 +87,7 @@
 #define HAVE_LIBM 1
 #undef HAVE_RINT
 #define SIZEOF_SHORT 2
-/* int and long are stll 32bit in 64bit compiles */
+/* int and long are still 32bit in 64bit compiles */
 #define SIZEOF_INT 4
 #define SIZEOF_LONG 4
 /* MSVC.6/NET don't allow 'long long' or know 'intmax_t' */