fontsrv: fix build on OpenBSD 5.2

R=rsc
CC=plan9port.codebot
https://codereview.appspot.com/6850108

src/cmd/devdraw/mkwsysrules.sh

@@ -45,6 +45,7 @@ fi
 	
 echo 'WSYSTYPE='$WSYSTYPE
 echo 'X11='$X11
+echo 'X11H='$X11H
 
 if [ $WSYSTYPE = x11 ]; then
 	echo 'CFLAGS=$CFLAGS '$X11H

src/cmd/fontsrv/freetyperules.sh

@@ -1,7 +1,12 @@
 #!/bin/sh
 
 if [ "x$1" = "xx11" ]; then
-	echo 'CFLAGS=$CFLAGS -I/usr/include/freetype2' 
+	if [ "x$2" = "x" ]; then
+		i=/usr/include
+	else
+		i=$2
+	fi
+	echo 'CFLAGS=$CFLAGS '$i'/freetype2' 
         echo 'LDFLAGS=$LDFLAGS -lfontconfig -lfreetype -lz'
 fi
 

src/cmd/fontsrv/mkfile

@@ -1,6 +1,6 @@
 <$PLAN9/src/mkhdr
 <|sh ../devdraw/mkwsysrules.sh
-<|sh freetyperules.sh $WSYSTYPE
+<|sh freetyperules.sh $WSYSTYPE $X11H
 
 TARG=fontsrv