[LyX/master] Kill MSVC warning

[Jean-Marc Lasgouttes]

commit b9b6e4c08379cb924c1cb7be1e4c4cc441c2401e
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Dec 14 13:04:52 2017 +0100

    Kill MSVC warning
    
    Fixes bug #10900.
---
 src/insets/InsetGraphicsParams.cpp |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/insets/InsetGraphicsParams.cpp 
b/src/insets/InsetGraphicsParams.cpp
index b7ea377..c401065 100644
--- a/src/insets/InsetGraphicsParams.cpp
+++ b/src/insets/InsetGraphicsParams.cpp
@@ -288,10 +288,8 @@ graphics::Params InsetGraphicsParams::as_grfxParams() const
                }
 
                // Paranoia check.
-               int const width  = pars.bb.xr.inBP() - pars.bb.xl.inBP();
-               int const height = pars.bb.yt.inBP() - pars.bb.yb.inBP();
-
-               if (width  < 0 || height < 0) {
+               if (pars.bb.xr.inBP() < pars.bb.xl.inBP()
+                   || pars.bb.yt.inBP() < pars.bb.yb.inBP()) {
                        pars.bb.xl = Length();
                        pars.bb.xr = Length();
                        pars.bb.yb = Length();