ENH: all ctype function have the same issue: char can be signed or unsigned,...

ENH: all ctype function have the same issue: char can be signed or unsigned, since isspace only deal with >=0 value (except EOF) one has to first cast it to unsigned char

ProcessUNIX.c

@@ -2807,7 +2807,7 @@ static char** kwsysProcessParseVerbatimCommand(const char* command)
           }
         }
       }
-    else if(isspace((int) *c))
+    else if(isspace((unsigned char) *c))
       {
       if(in_argument)
         {

kwsysDateStamp.cmake

@@ -7,4 +7,4 @@ SET(KWSYS_DATE_STAMP_YEAR  2008)
 SET(KWSYS_DATE_STAMP_MONTH 05)
 
 # KWSys version date day component.  Format is DD.
-SET(KWSYS_DATE_STAMP_DAY   12)
+SET(KWSYS_DATE_STAMP_DAY   13)