usr.bin/make move catch_child() function to reduce diffs with FreeBSD

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--- main.c	Tue Nov 16 03:52:24 2004
+++ main.c	Tue Nov 16 03:52:45 2004
@@ -112,7 +112,6 @@
 char *			chdir_verify_path(char *, char *);
 static int		ReadMakefile(void *, void *);
 static void		usage(void);
-static void		catch_child(int sig __unused);
 
 static char *curdir;			/* startup directory */
 static char *objdir;			/* where we chdir'ed to */
@@ -423,3 +423,8 @@
 	return 0;
 }
 
+static void
+catch_child(int sig __unused)
+{
+}
+
@@ -1168,10 +1163,3 @@
 "            [-m directory] [-V variable] [variable=value] [target ...]");
 	exit(2);
 }
-
-static
-void
-catch_child(int sig __unused)
-{
-}
-

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