fix header dependancy

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57777 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/regex.cpp

@@ -27,9 +27,10 @@
 
 #if wxUSE_REGEX
 
+#include "wx/regex.h"
+
 #ifndef WX_PRECOMP
     #include "wx/object.h"
-    #include "wx/string.h"
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/crt.h"
@@ -44,7 +45,6 @@
 #endif
 
 #include <regex.h>
-#include "wx/regex.h"
 
 // WXREGEX_USING_BUILTIN    defined when using the built-in regex lib
 // WXREGEX_USING_RE_SEARCH  defined when using re_search in the GNU regex lib