File nasc-fix_gcc9_build.patch of Package nasc

From 46b9b80e228b6b86001bded45d85e073a9411549 Mon Sep 17 00:00:00 2001
From: Luigi Baldoni <aloisio@gmx.com>
Date: Sun, 8 Dec 2019 12:03:01 +0100
Subject: [PATCH] Fix build with gcc9

---
 libqalculatenasc/QalculateNasc.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libqalculatenasc/QalculateNasc.cc b/libqalculatenasc/QalculateNasc.cc
index db0c09a..e6dc625 100644
--- a/libqalculatenasc/QalculateNasc.cc
+++ b/libqalculatenasc/QalculateNasc.cc
@@ -5,6 +5,7 @@
 #include <thread>
 #include <algorithm>
 
+using namespace std;
 std::shared_ptr<Calculator> calc;
 MathStructure *mstruct;
 
@@ -275,4 +276,4 @@ std::string intern_calc (std::string input) {
     std::string result_str = mstruct->print (printops);
 
     return result_str;//calc->localizeExpression (result_str);
-}
\ No newline at end of file
+}