sysutils/cmdwatch: document ncurses rqmt (USES+=ncurses), respect LDFLAGS

approved by:	infrastructure blanket

sysutils/cmdwatch/Makefile

@@ -10,6 +10,7 @@ MASTER_SITES=	http://www.chruetertee.ch/files/download/
 MAINTAINER=	beat@FreeBSD.org
 COMMENT=	Watches the output from a command at specified intervals
 
+USES=		ncurses
 PLIST_FILES=	bin/cmdwatch man/man1/cmdwatch.1.gz
 
 .include <bsd.port.mk>

sysutils/cmdwatch/files/patch-Makefile

@@ -1,6 +1,15 @@
---- ./Makefile.orig	2002-08-28 15:23:52.000000000 +0200
-+++ ./Makefile	2013-10-22 10:54:40.000000000 +0200
-@@ -26,9 +26,9 @@
+--- Makefile.orig	2002-08-28 13:23:52 UTC
++++ Makefile
+@@ -5,7 +5,7 @@ STRIP ?= strip
+ OBJS = getopt.o getopt1.o cmdwatch.o
+ 
+ all : startup $(OBJS) 
+-	@$(CC) -o cmdwatch $(OBJS) -lcurses
++	@$(CC) -o cmdwatch $(OBJS) $(LDFLAGS) -lncurses
+ 	@strip cmdwatch
+ 	@echo " done."
+ 
+@@ -26,9 +26,9 @@ clean :
  	@rm -f *.o cmdwatch
  
  install : all