myaudiotags: Rename some commands (seta/setc)

Change the name of two commands:
* seta => album
* setc => comment
Signed-off-by: Cédric Marie <cedric@hjuvi.lautre.net>

scripts/myaudiotags

@@ -35,9 +35,9 @@ print_usage()
     printf "            - COMMENT (from first track, if present)\n"
     printf "            - LICENSE (from first track, if present)\n"
     printf "            (remove seek table, picture, cue sheet, and padding blocks)\n"
-    printf "  seta ARTIST ALBUM DATE\n"
+    printf "  album ARTIST ALBUM DATE\n"
     printf "            set artist, album, and date tags in the first track\n"
-    printf "  setc COMMENT\n"
+    printf "  comment COMMENT\n"
     printf "            set comment tag in the first track\n"
     printf "  title NB TITLE\n"
     printf "            set title tag of track #NB\n"
@@ -518,10 +518,10 @@ if [ "$command" = "filenames" ]; then
 fi
 
 # -----------------------------------------------------------------------------
-# seta
+# album
 # -----------------------------------------------------------------------------
 
-if [ "$command" = "seta" ]; then
+if [ "$command" = "album" ]; then
 
     tag_artist=$2
     tag_album=$3
@@ -575,10 +575,10 @@ if [ "$command" = "seta" ]; then
 fi
 
 # -----------------------------------------------------------------------------
-# setc
+# comment
 # -----------------------------------------------------------------------------
 
-if [ "$command" = "setc" ]; then
+if [ "$command" = "comment" ]; then
 
     tag_comment=$2
     if [ "$tag_comment" = "" ]; then