suppress warnings about easch <applet>_main() having

no preceding prototype

findutils/find.c

@@ -543,6 +543,7 @@ static action*** parse_params(char **argv)
 }
 
 
+int find_main(int argc, char **argv);
 int find_main(int argc, char **argv)
 {
 	int dereference = FALSE;

findutils/grep.c

@@ -321,6 +321,7 @@ static int grep_dir(const char *dir)
 }
 
 
+int grep_main(int argc, char **argv);
 int grep_main(int argc, char **argv)
 {
 	FILE *file;

findutils/xargs.c

@@ -387,6 +387,7 @@ enum {
 	USE_FEATURE_XARGS_SUPPORT_TERMOPT(     "x") \
 	USE_FEATURE_XARGS_SUPPORT_ZERO_TERM(   "0")
 
+int xargs_main(int argc, char **argv);
 int xargs_main(int argc, char **argv)
 {
 	char **args;