fix warnings

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@9079 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/core/qgis.h

@@ -138,9 +138,9 @@ class CORE_EXPORT QGis
 //
 
   /** Magic number that determines the minimum allowable point size for point symbols */
-  const float MINIMUM_POINT_SIZE=0.1;
+  const double MINIMUM_POINT_SIZE=0.1;
   /** Magic number that determines the minimum allowable point size for point symbols */
-  const float DEFAULT_POINT_SIZE=2.0;
+  const double DEFAULT_POINT_SIZE=2.0;
 
 // FIXME: also in qgisinterface.h
 #ifndef QGISEXTERN