Various manpage changes. Imported semi-automatically from .diff.gz.

diff --git a/doc/gc.man b/doc/gc.man
index 2a550c7..5c0232a 100644
--- a/doc/gc.man
+++ b/doc/gc.man
@@ -1,8 +1,8 @@
-.TH GC_MALLOC 1L "2 October 2003"
+.TH GC_MALLOC 3 "2 October 2003"
 .SH NAME
 GC_malloc, GC_malloc_atomic, GC_free, GC_realloc, GC_enable_incremental, GC_register_finalizer, GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page, GC_set_warn_proc \- Garbage collecting malloc replacement
 .SH SYNOPSIS
-#include "gc.h"
+#include <gc.h>
 .br
 void * GC_malloc(size_t size);
 .br
@@ -11,7 +11,7 @@ void GC_free(void *ptr);
 void * GC_realloc(void *ptr, size_t size);
 .br
 .sp
-cc ... gc.a
++ cc ... -I/usr/include/gc -lgc
 .LP
 .SH DESCRIPTION
 .I GC_malloc