gnuplot: Update from 5.0.5 to 5.0.6

packages/gnuplot/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://gnuplot.info/
 TERMUX_PKG_DESCRIPTION="Command-line driven graphing utility"
-TERMUX_PKG_VERSION=5.0.5
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_VERSION=5.0.6
 TERMUX_PKG_SRCURL=https://downloads.sourceforge.net/project/gnuplot/gnuplot/${TERMUX_PKG_VERSION}/gnuplot-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=5bbe4713e555c2e103b7d4ffd45fca69551fff09cf5c3f9cb17428aaacc9b460
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-x --with-lua=no --with-bitmap-terminals"
 TERMUX_PKG_DEPENDS="libandroid-support, readline, pango, libgd"