Use snprintf rather than sprintf. From pvaldes.

git-svn-id: svn://svn.code.sf.net/p/bitchx/code/trunk@431 13b04d17-f746-0410-82c6-800466cd88b0

source/tcl_public.c

@@ -1089,7 +1089,7 @@ int Tcl_RelativeExpr (Tcl_Interp *tcl_interp, char *cstringExpr, long stringLen,
 	return Tcl_ExprLong (tcl_interp, cstringExpr, exprResultPtr);
     }
 
-    sprintf (staticBuf, "%ld",
+    snprintf (staticBuf, sizeof staticBuf, "%ld",
              stringLen - ((cstringExpr [0] == 'e') ? 1 : 0));
     exprLen = strlen (staticBuf) + strlen (cstringExpr) - 2;