Add patch to fix FTBFS

ftbfs.patch

@@ -0,0 +1,11 @@
+diff -rupN gimagereader-3.1.2/qt/src/Displayer.cc gimagereader-3.1.2-new/qt/src/Displayer.cc
+--- gimagereader-3.1.2/qt/src/Displayer.cc	2015-06-30 17:36:39.000000000 +0200
++++ gimagereader-3.1.2-new/qt/src/Displayer.cc	2016-02-04 09:32:25.701479818 +0100
+@@ -32,6 +32,7 @@
+ #include <QWheelEvent>
+ #include <tesseract/baseapi.h>
+ #include <cassert>
++#include <cmath>
+ 
+ 
+ class GraphicsScene : public QGraphicsScene

gimagereader.spec

@@ -1,11 +1,13 @@
 Name:          gimagereader
 Version:       3.1.2
-Release:       4%{?dist}
+Release:       5%{?dist}
 Summary:       A front-end to tesseract-ocr
 
 License:       GPLv3+
 URL:           https://github.com/manisandro/gimagereader
 Source0:       https://github.com/manisandro/gimagereader/releases/download/v%{version}/%{name}-%{version}.tar.xz
+# Fix FTBFS
+Patch0:        ftbfs.patch
 
 BuildRequires: cmake
 BuildRequires: gtkmm30-devel
@@ -77,6 +79,7 @@ Common files for %{name}.
 
 %prep
 %setup -q
+%patch0 -p1
 
 
 %build
@@ -159,6 +162,9 @@ fi
 %{_datadir}/applications/%{name}-qt5.desktop
 
 %changelog
+* Thu Feb 04 2016 Sandro Mani <manisandro@gmail.com> - 3.1.2-5
+- Add patch to fix FTBFS
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.2-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild