[LyX/master] Fix typo found by coverity

[Jean-Marc Lasgouttes]

commit dc126bad0441eb8721043e597657d5c18bdf6c90
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Tue Mar 7 12:02:54 2017 +0100

    Fix typo found by coverity
    
    We were not testing for the right end(), although it is not sure that
    an actual bug could be triggered because of that.
---
 src/Format.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/Format.cpp b/src/Format.cpp
index b605c4e..1b53d73 100644
--- a/src/Format.cpp
+++ b/src/Format.cpp
@@ -433,7 +433,7 @@ string Formats::getFormatFromFile(FileName const & 
filename) const
                                        Formats::const_iterator cit =
                                                find_if(formatlist.begin(), 
formatlist.end(),
                                                        FormatMimeEqual(mime));
-                                       if (cit != formats.end()) {
+                                       if (cit != formatlist.end()) {
                                                LYXERR(Debug::GRAPHICS, "\tgot 
format from MIME type: "
                                                        << mime << " -> " << 
cit->name());
                                                // See special eps/ps handling 
below