Fixing windows build.

strings/strtod.c:
  Reverting previous change to include files (angle brackets instead of
  quotes) that broke windows build

strings/strtod.c

@@ -26,8 +26,8 @@
 
  */
 
-#include <my_global.h>				/* Includes errno.h */
-#include <m_ctype.h>
+#include "my_global.h"				/* Includes errno.h */
+#include "m_ctype.h"
 
 #define MAX_DBL_EXP	308
 #define MAX_RESULT_FOR_MAX_EXP 1.79769313486232