Fix Windows build problem following previous push.

strings/strtod.c:
  Fix Windows build problem, EOVERFLOW is defined in my_base.h on Windows.

strings/strtod.c

@@ -26,7 +26,8 @@
 
  */
 
-#include "my_global.h"				/* Includes errno.h */
+#include "my_base.h"            /* Defines EOVERFLOW on Windows */
+#include "my_global.h"          /* Includes errno.h */
 #include "m_ctype.h"
 
 #define MAX_DBL_EXP	308