Bug 1298112 - Remove always-true null-check to fix compile warning. r=gwright

warning: reference cannot be bound to dereferenced null pointer in
well-defined C++ code; pointer may be assumed to always convert to
true [-Wundefined-bool-conversion]

--HG--
extra : rebase_source : 2de925356078f191b953cc8f6eec546686940c63

gfx/skia/skia/src/ports/SkFontHost_cairo.cpp

@@ -760,7 +760,7 @@ void SkScalerContext_CairoFT::generatePath(const SkGlyph& glyph, SkPath* path)
     CairoLockedFTFace faceLock(fScaledFont);
     FT_Face face = faceLock.getFace();
 
-    SkASSERT(&glyph && path);
+    SkASSERT(path);
 
     uint32_t flags = fLoadGlyphFlags;
     flags |= FT_LOAD_NO_BITMAP; // ignore embedded bitmaps so we're sure to get the outline