Fix ppc64le build.

gource-ppc64le.patch

@@ -0,0 +1,11 @@
+--- configure~	2017-01-25 12:57:31.000000000 -0600
++++ configure	2017-01-25 12:57:57.276214279 -0600
+@@ -7033,7 +7033,7 @@
+                         libsubdirs="lib"
+     ax_arch=`uname -m`
+     case $ax_arch in
+-      x86_64|ppc64|s390x|sparc64|aarch64)
++      x86_64|ppc64|s390x|sparc64|aarch64|ppc64le)
+         libsubdirs="lib64 lib lib64"
+         ;;
+     esac

gource.spec

@@ -5,6 +5,7 @@ Release: 10%{?dist}
 URL: http://gource.googlecode.com/
 Source: https://github.com/acaudwell/Gource/releases/download/%{name}-%{version}/%{name}-%{version}.tar.gz
 Patch0: gource-gcc6.patch
+Patch1: gource-ppc64le.patch
 
 License: GPLv3+
 Group: Applications/Productivity
@@ -36,6 +37,7 @@ files and directories.
 %prep
 %setup -q
 %patch0 -p0
+%patch1 -p0
 sed -i.cp -e 's|cp |cp -p |' Makefile.in
 rm -r src/tinyxml