[LyX/master] Rename function that was ambiguous from a monolithic perspective.

[Juergen Spitzmueller]

commit 2a223b093382d37eacdcf258c28a66b1b2486b44
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Mon Nov 16 08:20:54 2015 +0100

    Rename function that was ambiguous from a monolithic perspective.
    
    Cures one monolithic build issue with CMake.

diff --git a/src/support/debug.cpp b/src/support/debug.cpp
index f44f7fc..538b487 100644
--- a/src/support/debug.cpp
+++ b/src/support/debug.cpp
@@ -31,14 +31,14 @@ namespace lyx {
 
 namespace {
 
-struct ErrorItem {
+struct DebugErrorItem {
        Debug::Type level;
        char const * name;
        char const * desc;
 };
 
 
-ErrorItem errorTags[] = {
+DebugErrorItem errorTags[] = {
        { Debug::NONE,      "none",      N_("No debugging messages")},
        { Debug::INFO,      "info",      N_("General information")},
        { Debug::INIT,      "init",      N_("Program initialisation")},