since the module API is changing, it's a good time to const-ify the description() and key() return values

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@18552 65c4cc65-6c06-0410-ace0-fbb531ad65f3

codecs/codec_g723_1.c

@@ -326,7 +326,7 @@ int load_module(void)
 	return res;
 }
 
-char *description(void)
+const char *description(void)
 {
 #ifdef ANNEX_B
 	return "Annex B (floating point) G.723.1/PCM16 Codec Translator";
@@ -341,7 +341,7 @@ int usecount(void)
 	return me.usecnt;
 }
 
-char *key(void)
+const char *key(void)
 {
 	return ASTERISK_GPL_KEY;
 }