remove unneeded break argument from option parsing

Some scripts are using `break 2` to break out of the option parsing
loop.

Since a single `break` is sufficient in these cases, remove the extra
argument.

Signed-off-by: Rafael Ascensão <rafa.almas@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/libmakepkg/source.sh.in

@@ -48,7 +48,7 @@ download_sources() {
 				get_vcs=0
 				;;
 			*)
-				break 2
+				break
 				;;
 		esac
 		shift

scripts/makepkg.sh.in

@@ -1277,7 +1277,7 @@ while true; do
 		-h|--help)        usage; exit $E_OK ;;
 		-V|--version)     version; exit $E_OK ;;
 
-		--)               OPT_IND=0; shift; break 2;;
+		--)               OPT_IND=0; shift; break ;;
 	esac
 	shift
 done

scripts/pacman-db-upgrade.sh.in

@@ -103,7 +103,7 @@ while true; do
 		-h|--help)    usage; exit 0 ;;
 		--nocolor)    USE_COLOR='n' ;;
 		-V|--version) version; exit 0 ;;
-		-- )          shift; break 2 ;;
+		--)           shift; break ;;
 	esac
 	shift
 done

scripts/pacman-key.sh.in

@@ -557,7 +557,7 @@ while (( $# )); do
 		-h|--help)        usage; exit 0 ;;
 		-V|--version)     version; exit 0 ;;
 
-		--)               shift; break 2 ;;
+		--)               shift; break ;;
 	esac
 	shift
 done

scripts/pkgdelta.sh.in

@@ -202,7 +202,7 @@ while :; do
 			shift ;;
 		--)
 			shift
-			break 2 ;;
+			break ;;
 	esac
 	shift
 done