'git foo' program identifies itself without dash in die() messages

This is a mechanical conversion of all '*.c' files with:

	s/((?:die|error|warning)\("git)-(\S+:)/$1 $2/;

The result was manually inspected and no false positive was found.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/entry.c b/entry.c
index 222aaa3..aa2ee46 100644
--- a/entry.c
+++ b/entry.c
@@ -111,7 +111,7 @@
 	case S_IFREG:
 		new = read_blob_entry(ce, path, &size);
 		if (!new)
-			return error("git-checkout-index: unable to read sha1 file of %s (%s)",
+			return error("git checkout-index: unable to read sha1 file of %s (%s)",
 				path, sha1_to_hex(ce->sha1));
 
 		/*
@@ -132,7 +132,7 @@
 			fd = create_file(path, ce->ce_mode);
 		if (fd < 0) {
 			free(new);
-			return error("git-checkout-index: unable to create file %s (%s)",
+			return error("git checkout-index: unable to create file %s (%s)",
 				path, strerror(errno));
 		}
 
@@ -140,12 +140,12 @@
 		close(fd);
 		free(new);
 		if (wrote != size)
-			return error("git-checkout-index: unable to write file %s", path);
+			return error("git checkout-index: unable to write file %s", path);
 		break;
 	case S_IFLNK:
 		new = read_blob_entry(ce, path, &size);
 		if (!new)
-			return error("git-checkout-index: unable to read sha1 file of %s (%s)",
+			return error("git checkout-index: unable to read sha1 file of %s (%s)",
 				path, sha1_to_hex(ce->sha1));
 		if (to_tempfile || !has_symlinks) {
 			if (to_tempfile) {
@@ -155,31 +155,31 @@
 				fd = create_file(path, 0666);
 			if (fd < 0) {
 				free(new);
-				return error("git-checkout-index: unable to create "
+				return error("git checkout-index: unable to create "
 						 "file %s (%s)", path, strerror(errno));
 			}
 			wrote = write_in_full(fd, new, size);
 			close(fd);
 			free(new);
 			if (wrote != size)
-				return error("git-checkout-index: unable to write file %s",
+				return error("git checkout-index: unable to write file %s",
 					path);
 		} else {
 			wrote = symlink(new, path);
 			free(new);
 			if (wrote)
-				return error("git-checkout-index: unable to create "
+				return error("git checkout-index: unable to create "
 						 "symlink %s (%s)", path, strerror(errno));
 		}
 		break;
 	case S_IFGITLINK:
 		if (to_tempfile)
-			return error("git-checkout-index: cannot create temporary subproject %s", path);
+			return error("git checkout-index: cannot create temporary subproject %s", path);
 		if (mkdir(path, 0777) < 0)
-			return error("git-checkout-index: cannot create subproject directory %s", path);
+			return error("git checkout-index: cannot create subproject directory %s", path);
 		break;
 	default:
-		return error("git-checkout-index: unknown file mode for %s", path);
+		return error("git checkout-index: unknown file mode for %s", path);
 	}
 
 	if (state->refresh_cache) {