[LyX/master] Revert "Fix #10863 compiler warnings."

[Richard Heck]

commit 0a87aa02474ef15adb18d82043b9f32726c9cc8a
Author: Richard Heck <rgh...@lyx.org>
Date:   Sat Dec 16 09:22:41 2017 -0500

    Revert "Fix #10863 compiler warnings."
    
    This reverts commit b684ec39eaaf7d5b0270bf8109b8e281fa8c5d9f.
---
 src/mathed/MathParser.cpp |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index c914a6a..35062ca 100644
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -744,6 +744,7 @@ docstring Parser::parse_verbatim_option()
        skipSpaces();
        docstring res;
        if (nextToken().character() == '[') {
+               Token t = getToken();
                for (Token t = getToken(); t.character() != ']' && good(); t = 
getToken()) {
                        if (t.cat() == catBegin) {
                                putback();
@@ -761,6 +762,7 @@ docstring Parser::parse_verbatim_item()
        skipSpaces();
        docstring res;
        if (nextToken().cat() == catBegin) {
+               Token t = getToken();
                for (Token t = getToken(); t.cat() != catEnd && good(); t = 
getToken()) {
                        if (t.cat() == catBegin) {
                                putback();
@@ -1035,10 +1037,10 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned 
flags,
                else if (t.cat() == catComment) {
                        docstring s;
                        while (good()) {
-                               Token const & tt = getToken();
-                               if (tt.cat() == catNewline)
+                               Token const & t = getToken();
+                               if (t.cat() == catNewline)
                                        break;
-                               s += tt.asInput();
+                               s += t.asInput();
                        }
                        cell->push_back(MathAtom(new InsetMathComment(buf, s)));
                        skipSpaces();
@@ -1772,7 +1774,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        docstring s;
                        int num_tokens = 0;
                        while (true) {
-                               Token const & tt = getToken();
+                               Token const & t = getToken();
                                ++num_tokens;
                                if (!good()) {
                                        s.clear();
@@ -1780,7 +1782,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                putback();
                                        break;
                                }
-                               s += tt.character();
+                               s += t.character();
                                if (isValidLength(to_utf8(s)))
                                        break;
                        }