[LyX/master] Restore lyxerr number format to decimal

[Jean-Marc]

commit 28e997781d64e1736f62c14a367be1457d298757
Author: Jean-Marc <lasgout...@lyx.org>
Date:   Sat Sep 12 19:38:38 2015 +0200

    Restore lyxerr number format to decimal
    
    Coverity issue 23427

diff --git a/src/support/Messages.cpp b/src/support/Messages.cpp
index 13066da..da1c3cc 100644
--- a/src/support/Messages.cpp
+++ b/src/support/Messages.cpp
@@ -281,7 +281,7 @@ bool Messages::readMoFile()
 
        if (header->magic != 0x950412de) {
                LYXERR0("Wrong magic number for file " << filen
-                       << ".\nExpected 0x950412de, got 0x" << std::hex << 
header->magic);
+                       << ".\nExpected 0x950412de, got 0x" << std::hex << 
header->magic << std::dec);
                return false;
        }