rgbds: Remove TERMUX_PKG_BUILD_DEPENDS

Also patch Makefile to install man pages at the expected location.

packages/byacc/build.sh

@@ -1,5 +0,0 @@
-TERMUX_PKG_HOMEPAGE=http://invisible-island.net/byacc/
-TERMUX_PKG_DESCRIPTION="Berkeley Yacc"
-TERMUX_PKG_VERSION=20170709
-TERMUX_PKG_SRCURL=ftp://ftp.invisible-island.net/byacc/byacc-${TERMUX_PKG_VERSION}.tgz
-TERMUX_PKG_SHA256=27cf801985dc6082b8732522588a7b64377dd3df841d584ba6150bc86d78d9eb

packages/rgbds/Makefile.patch

@@ -0,0 +1,12 @@
+diff -u -r ../rgbds-0.3.2/Makefile ./Makefile
+--- ../rgbds-0.3.2/Makefile	2017-06-10 00:05:16.000000000 +0200
++++ ./Makefile	2017-08-20 11:44:58.798625382 +0200
+@@ -3,7 +3,7 @@
+ Q		:= @
+ PREFIX		:= /usr/local
+ bindir		:= ${PREFIX}/bin
+-mandir		:= ${PREFIX}/man
++mandir		:= ${PREFIX}/share/man
+ STRIP		:= -s
+ BINMODE		:= 555
+ MANMODE		:= 444

packages/rgbds/build.sh

@@ -4,7 +4,6 @@ TERMUX_PKG_VERSION=0.3.2
 TERMUX_PKG_SRCURL=https://github.com/rednex/rgbds/releases/download/v${TERMUX_PKG_VERSION}/rgbds-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_FOLDERNAME=rgbds-$TERMUX_PKG_VERSION
 TERMUX_PKG_SHA256=632a6c29341ac8b2d7c4e2081f7825a74b4184d16f8a1ff570229df8006a5ab6
-TERMUX_PKG_BUILD_DEPENDS="byacc,flex,libpng-dev,pkg-config"
 TERMUX_PKG_DEPENDS="libpng"
 TERMUX_PKG_BUILD_IN_SRC=true
 TERMUX_PKG_EXTRA_MAKE_ARGS="PREFIX=${TERMUX_PREFIX} Q= STRIP="