qalc: Update from 2.1.0 to 2.2.1

packages/qalc/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=https://qalculate.github.io/
 TERMUX_PKG_DESCRIPTION="Powerful and easy to use command line calculator"
-TERMUX_PKG_VERSION=2.1.0
-TERMUX_PKG_SHA256=7668ed9ab32d46d3638297985a03bc995b6aedf8b8335685e1a43393ba236f12
+TERMUX_PKG_VERSION=2.2.1
+TERMUX_PKG_SHA256=1752b6a046eaf84ee62a7dc8d2c874b538517956ce8affac80df09a3b55bef5d
 TERMUX_PKG_SRCURL=https://github.com/Qalculate/libqalculate/releases/download/v${TERMUX_PKG_VERSION}/libqalculate-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_DEPENDS="libcurl, libmpfr, libxml2, readline, libgmp"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-icu"

packages/qalc/libqalculate-Calculator.cc.patch

@@ -1,12 +0,0 @@
-diff -u -r ../libqalculate-2.0.0/libqalculate/Calculator.cc ./libqalculate/Calculator.cc
---- ../libqalculate-2.0.0/libqalculate/Calculator.cc	2017-08-27 21:38:22.000000000 +0200
-+++ ./libqalculate/Calculator.cc	2017-08-31 16:09:58.987236004 +0200
-@@ -9360,7 +9360,7 @@
- 	char filename[MAX_PATH]; 
- 	return SearchPath(NULL, "gnuplot", ".exe", MAX_PATH, filename, &lpFilePart);
- #else
--	FILE *pipe = popen("gnuplot -", "w");
-+	FILE *pipe = popen("gnuplot - 2> /dev/null", "w");
- 	if(!pipe) return false;
- 	return pclose(pipe) == 0;
- #endif