remove unnecessary "if (!empty()" checks before loops

found with
   git grep -n -A4 'if.*!.*empty' | grep -B3 -P
'(\bfor)|(\bwhile)|(\bdo)'

Change-Id: I582235b7cf977a0f9fb4099eb306fdb4a07b5334
Reviewed-on: https://gerrit.libreoffice.org/64169
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 5 insertions, 8 deletions

diff --git a/slideshow/source/engine/slide/slideimpl.cxx b/slideshow/source/engine/slide/slideimpl.cxx
index ee119ce4549d..f762768b4dad 100644
--- a/slideshow/source/engine/slide/slideimpl.cxx
+++ b/slideshow/source/engine/slide/slideimpl.cxx
@@ -816,15 +816,12 @@ void SlideImpl::drawPolygons() const
 
 void SlideImpl::addPolygons(const PolyPolygonVector& rPolygons)
 {
-    if(!rPolygons.empty())
+    for( PolyPolygonVector::const_iterator aIter = rPolygons.begin(),
+             aEnd = rPolygons.end();
+         aIter!=aEnd;
+         ++aIter )
     {
-        for( PolyPolygonVector::const_iterator aIter = rPolygons.begin(),
-                 aEnd = rPolygons.end();
-             aIter!=aEnd;
-             ++aIter )
-        {
-            maPolygons.push_back(*aIter);
-        }
+        maPolygons.push_back(*aIter);
     }
 }