suppress warnings about easch <applet>_main() having

no preceding prototype

editors/awk.c

@@ -2644,6 +2644,7 @@ static rstream *next_input_file(void)
 	return &rsm;
 }
 
+int awk_main(int argc, char **argv);
 int awk_main(int argc, char **argv)
 {
 	unsigned opt;

editors/ed.c

@@ -40,6 +40,7 @@ static LINE *findLine(int num);
 
 static int findString(const LINE *lp, const char * str, int len, int offset);
 
+int ed_main(int argc, char **argv);
 int ed_main(int argc, char **argv)
 {
 	if (!initEdit())

editors/patch.c

@@ -75,6 +75,7 @@ static int file_doesnt_exist(const char *filename)
 	return stat(filename, &statbuf);
 }
 
+int patch_main(int argc, char **argv);
 int patch_main(int argc, char **argv)
 {
 	int patch_level = -1;

editors/sed.c

@@ -1215,6 +1215,7 @@ static void add_files_link(llist_t *opt_f)
 	free(opt_f);
 }
 
+int sed_main(int argc, char **argv);
 int sed_main(int argc, char **argv)
 {
 	enum {

editors/vi.c

@@ -264,6 +264,7 @@ static void write1(const char *out)
 	fputs(out, stdout);
 }
 
+int vi_main(int argc, char **argv);
 int vi_main(int argc, char **argv)
 {
 	int c;