reduced warninglevel to remove the annoying

warnings from the re2c generated code

win32/php4dllts.dsp

@@ -1607,6 +1607,7 @@ SOURCE=..\ext\standard\url_scanner.c
 # Begin Source File
 
 SOURCE=..\ext\standard\url_scanner_ex.c
+# ADD CPP /W2
 # End Source File
 # Begin Source File
 
@@ -1615,6 +1616,7 @@ SOURCE=..\ext\standard\var.c
 # Begin Source File
 
 SOURCE=..\ext\standard\var_unserializer.c
+# ADD CPP /W2
 # End Source File
 # Begin Source File