use const markings on const strings to shutup gcc warnings

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1424 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -7,6 +7,8 @@
   * src/tap/detect.c (detect_parts): Use the PRIX64 format string for 64bit
     types with printf().
 
+  * src/part/part.c (part_print): Use const markings with const strings.
+
 2009-01-19  Kolja Waschk <kawk>
 
   * doc/UrJTAG.txt,

jtag/src/part/part.c

@@ -235,8 +235,8 @@ part_get_signal( part_t *p, signal_t *s )
 void
 part_print( part_t *p )
 {
-	char *instruction = NULL;
-	char *dr = NULL;
+	const char *instruction = NULL;
+	const char *dr = NULL;
 	char format[100];
 
 	if (!p)