suppress warnings about easch <applet>_main() having

no preceding prototype

debianutils/mktemp.c

@@ -16,6 +16,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 
+int mktemp_main(int argc, char **argv);
 int mktemp_main(int argc, char **argv)
 {
 	unsigned long flags = getopt32(argc, argv, "dqt");

debianutils/pipe_progress.c

@@ -18,6 +18,7 @@
 /* Read a block of data from stdin, write it to stdout.
  * Activity is indicated by a '.' to stderr
  */
+int pipe_progress_main(int argc, char **argv);
 int pipe_progress_main(int argc, char **argv)
 {
 	RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);

debianutils/readlink.c

@@ -13,6 +13,7 @@
 #include <stdlib.h>
 #include <getopt.h>
 
+int readlink_main(int argc, char **argv);
 int readlink_main(int argc, char **argv)
 {
 	char *buf;

debianutils/run_parts.c

@@ -142,6 +142,7 @@ static int run_parts(char **args, const unsigned char test_mode)
 
 /* run_parts_main */
 /* Process options */
+int run_parts_main(int argc, char **argv);
 int run_parts_main(int argc, char **argv)
 {
 	char **args = xmalloc(2 * sizeof(char *));

debianutils/start_stop_daemon.c

@@ -230,6 +230,7 @@ enum {
 	OPT_NICELEVEL  = 0x80 * ENABLE_FEATURE_START_STOP_DAEMON_FANCY,
 };
 
+int start_stop_daemon_main(int argc, char **argv);
 int start_stop_daemon_main(int argc, char **argv)
 {
 	unsigned opt;

debianutils/which.c

@@ -12,6 +12,7 @@
 
 #include "busybox.h"
 
+int which_main(int argc, char **argv);
 int which_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;