[LyX/master] Add missing adjustment of end_pos if given length exceeds last pos

[Stephan Witt]

commit d5f7ed38fc4c15a0685e48befa03ea5dbc01a3a6
Author: Stephan Witt <sw...@lyx.org>
Date:   Fri Oct 9 08:14:18 2015 +0200

    Add missing adjustment of end_pos if given length exceeds last pos

diff --git a/src/lyxfind.cpp b/src/lyxfind.cpp
index 0a788c7..2cd05ea 100644
--- a/src/lyxfind.cpp
+++ b/src/lyxfind.cpp
@@ -1299,6 +1299,7 @@ static bool allNonLowercase(Cursor const & cur, int len)
        if (len > cur.lastpos() + 1 - beg_pos) {
                LYXERR(Debug::FIND, "This should not happen, more debug 
needed");
                len = cur.lastpos() + 1 - beg_pos;
+               end_pos = beg_pos + len;
        }
        for (pos_type pos = beg_pos; pos != end_pos; ++pos)
                if (isLowerCase(cur.paragraph().getChar(pos)))