suppress warnings about easch <applet>_main() having

no preceding prototype

e2fsprogs/old_e2fsprogs/chattr.c

@@ -170,6 +170,7 @@ static int chattr_dir_proc(const char *dir_name, struct dirent *de,
 	return 0;
 }
 
+int chattr_main(int argc, char **argv);
 int chattr_main(int argc, char **argv)
 {
 	int i;

e2fsprogs/old_e2fsprogs/e2fsck.c

@@ -13207,6 +13207,7 @@ static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
 static const char my_ver_string[] = E2FSPROGS_VERSION;
 static const char my_ver_date[] = E2FSPROGS_DATE;
 
+int e2fsck_main (int argc, char *argv[]);
 int e2fsck_main (int argc, char *argv[])
 {
 	errcode_t       retval;

e2fsprogs/old_e2fsprogs/fsck.c

@@ -1322,6 +1322,7 @@ static void PRS(int argc, char *argv[])
 	    max_running = atoi(tmp);
 }
 
+int fsck_main(int argc, char *argv[]);
 int fsck_main(int argc, char *argv[])
 {
 	int i, status = 0;

e2fsprogs/old_e2fsprogs/lsattr.c

@@ -112,6 +112,7 @@ static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
 	return 0;
 }
 
+int lsattr_main(int argc, char **argv);
 int lsattr_main(int argc, char **argv)
 {
 	int i;

e2fsprogs/old_e2fsprogs/mke2fs.c

@@ -1176,6 +1176,7 @@ static void mke2fs_clean_up(void)
 	if (ENABLE_FEATURE_CLEAN_UP && journal_device) free(journal_device);
 }
 
+int mke2fs_main (int argc, char *argv[]);
 int mke2fs_main (int argc, char *argv[])
 {
 	errcode_t	retval;

e2fsprogs/old_e2fsprogs/tune2fs.c

@@ -578,6 +578,7 @@ static void tune2fs_clean_up(void)
 	if (ENABLE_FEATURE_CLEAN_UP && journal_device) free(journal_device);
 }
 
+int tune2fs_main(int argc, char **argv);
 int tune2fs_main(int argc, char **argv)
 {
 	errcode_t retval;