Fix strcpy-param-overlap

Found by: michaelortmann
Patch by: michaelortmann

src/misc.c

@@ -232,11 +232,7 @@ void splitcn(char *first, char *rest, char divider, size_t max)
   if (first != NULL)
     strlcpy(first, rest, max);
   if (first != rest)
-    /*    In most circumstances, strcpy with src and dst being the same buffer
-     *  can produce undefined results. We're safe here, as the src is
-     *  guaranteed to be at least 2 bytes higher in memory than dest. <Cybah>
-     */
-    strcpy(rest, p + 1);
+    memmove(rest, p + 1, strlen(p + 1) + 1);
 }
 
 char *splitnick(char **blah)