Fix incorrect sample cnt assert



git-svn-id: http://skia.googlecode.com/svn/trunk@7112 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGpuGL.cpp b/src/gpu/gl/GrGpuGL.cpp
index 6e39637..bb727e2 100644
--- a/src/gpu/gl/GrGpuGL.cpp
+++ b/src/gpu/gl/GrGpuGL.cpp
@@ -862,7 +862,7 @@
     // below here we may bind the FBO
     fHWBoundRenderTarget = NULL;
     if (desc->fRTFBOID != desc->fTexFBOID) {
-        GrAssert(desc->fSampleCnt > 1);
+        GrAssert(desc->fSampleCnt > 0);
         GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER,
                                desc->fMSColorRenderbufferID));
         if (!renderbuffer_storage_msaa(fGLContextInfo,