Use gcc -ansi -pedantic in 9c.  Fix many non-C89-isms.
diff --git a/src/cmd/plumb/fsys.c b/src/cmd/plumb/fsys.c
index e9be1eb..4ae99af 100644
--- a/src/cmd/plumb/fsys.c
+++ b/src/cmd/plumb/fsys.c
@@ -92,7 +92,7 @@
 {
 	{ ".",			QTDIR,	Qdir,			0500|DMDIR },
 	{ "rules",		QTFILE,	Qrules,		0600 },
-	{ "send",		QTFILE,	Qsend,		0200 },
+	{ "send",		QTFILE,	Qsend,		0200 }
 };
 static int	ndir = NQID;
 
diff --git a/src/cmd/plumb/plumber.h b/src/cmd/plumb/plumber.h
index 4b9267a..c8f3081 100644
--- a/src/cmd/plumb/plumber.h
+++ b/src/cmd/plumb/plumber.h
@@ -14,7 +14,7 @@
 	OPlumb,
 	OSrc,
 	OType,
-	OWdir,
+	OWdir
 };
 
 /*
@@ -31,7 +31,7 @@
 	VMatches,
 	VSet,
 	VStart,
-	VTo,
+	VTo
 };
 
 struct Rule