COMP: Remove warnings

Utilities/cmxmlrpc/xmlrpc_strutil.c

@@ -30,7 +30,7 @@ xmlrpc_makePrintable(const char * const input) {
              inputCursor < inputLength; 
              ++inputCursor) {
 
-            if (isprint(input[inputCursor]))
+            if (isprint((int)(input[inputCursor])))
                 output[outputCursor++] = input[inputCursor]; 
             else if (input[inputCursor] == '\n') {
                 output[outputCursor++] = '\\';

Utilities/cmxmlrpc/xmlrpc_support.c

@@ -355,7 +355,7 @@ xmlrpc_traceXml(const char * const label,
         nonPrintableCount = 0;  /* Initial value */
 
         for (i = 0; i < xmlLength; ++i) {
-            if (!isprint(xml[i]) && xml[i] != '\n' && xml[i] != '\r')
+            if (!isprint((int)(xml[i])) && xml[i] != '\n' && xml[i] != '\r')
                 ++nonPrintableCount;
         }
         if (nonPrintableCount > 0)