Do not segfault in makewhatis -Q if the next .SH after .SH NAME

does not have any arguments.  Crash found by nigel@ in kermit(1).

1 files changed, 6 insertions, 3 deletions

diff --git a/man.c b/man.c
index 1ad78a55..374f50e9 100644
--- a/man.c
+++ b/man.c
@@ -595,9 +595,12 @@ man_pmacro(struct man *man, int ln, char *buf, int offs)
 
 	/* In quick mode (for mandocdb), abort after the NAME section. */
 
-	if (man->quick && MAN_SH == tok &&
-	    strcmp(man->last->prev->child->string, "NAME"))
-		return(2);
+	if (man->quick && MAN_SH == tok) {
+		n = man->last;
+		if (MAN_BODY == n->type &&
+		    strcmp(n->prev->child->string, "NAME"))
+			return(2);
+	}
 
 	/*
 	 * We weren't in a block-line scope when entering the