[gnome-commander/ConvertWarningsToErrors] Removes inline keyword which resulted in gcc warning

[Uwe Scholz <uwescholz src gnome org>]

commit c7d2b350895b3edbd4bc8a9e54665c2357e7e731
Author: Uwe Scholz <uwescholz src gnome org>
Date:   Sun Apr 16 21:38:45 2017 +0200

    Removes inline keyword which resulted in gcc warning

 src/tags/gnome-cmd-tags.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tags/gnome-cmd-tags.h b/src/tags/gnome-cmd-tags.h
index 44c9d82..6a66066 100644
--- a/src/tags/gnome-cmd-tags.h
+++ b/src/tags/gnome-cmd-tags.h
@@ -587,7 +587,7 @@ inline void GnomeCmdFileMetadata::add (const GnomeCmdTag tag, const gchar *value
 
 
 template <typename T>
-inline void GnomeCmdFileMetadata::add (const GnomeCmdTag tag, const T &value)
+void GnomeCmdFileMetadata::add (const GnomeCmdTag tag, const T &value)
 {
    std::ostringstream os;