[gnome-commander/ConvertWarningsToErrors] Do not warn about unused result here - it is save to do so

[Uwe Scholz <uwescholz src gnome org>]

commit 714a4cd8318e8d460c386011841effdb597122b7
Author: Uwe Scholz <uwescholz src gnome org>
Date:   Mon Apr 17 14:07:34 2017 +0200

    Do not warn about unused result here - it is save to do so

 src/gnome-cmd-python-plugin.cc |   15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)
---
diff --git a/src/gnome-cmd-python-plugin.cc b/src/gnome-cmd-python-plugin.cc
index 89e96b5..ad204f3 100644
--- a/src/gnome-cmd-python-plugin.cc
+++ b/src/gnome-cmd-python-plugin.cc
@@ -44,7 +44,8 @@ static gint compare_plugins(const PythonPluginData *p1, const PythonPluginData *
     return g_ascii_strcasecmp (p1->name, p2->name);
 }
 
-
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-result"
 static void scan_plugins_in_dir (const gchar *dpath)
 {
     DIR *dir = opendir(dpath);
@@ -57,11 +58,11 @@ static void scan_plugins_in_dir (const gchar *dpath)
 
     long dir_size = pathconf(".", _PC_PATH_MAX);
 
-   if (dir_size==-1)
-   {
-       g_warning ( "pathconf(\".\"): %s", strerror(errno));
-      return;
-   }
+    if (dir_size==-1)
+    {
+        g_warning ( "pathconf(\".\"): %s", strerror(errno));
+        return;
+    }
 
     gchar *prev_dir = (gchar *) g_malloc (dir_size);
 
@@ -125,7 +126,7 @@ static void scan_plugins_in_dir (const gchar *dpath)
 
     g_free (prev_dir);
 }
-
+#pragma GCC diagnostic pop
 
 void python_plugin_manager_init ()
 {