Remove &glyph from SkASSERT.
Remove &glyph from SkASSERT.

This tickles a warning in Clang:
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]

BUG=none

Review URL: https://codereview.chromium.org/1220113003

shahrzadmn/skia,vanish87/skia,noselhq/skia,ominux/skia,aosp-mirror/platform_external_skia,qrealka/skia-hc,shahrzadmn/skia,noselhq/skia,Jichao/skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,HalCanary/skia-hc,vanish87/skia,ominux/skia,qrealka/skia-hc,nvoron23/skia,qrealka/skia-hc,shahrzadmn/skia,tmpvar/skia.cc,nvoron23/skia,noselhq/skia,shahrzadmn/skia,qrealka/skia-hc,pcwalton/skia,Hikari-no-Tenshi/android_external_skia,todotodoo/skia,qrealka/skia-hc,nvoron23/skia,noselhq/skia,ominux/skia,noselhq/skia,todotodoo/skia,todotodoo/skia,vanish87/skia,aosp-mirror/platform_external_skia,ominux/skia,HalCanary/skia-hc,noselhq/skia,todotodoo/skia,google/skia,HalCanary/skia-hc,Jichao/skia,nvoron23/skia,Hikari-no-Tenshi/android_external_skia,todotodoo/skia,noselhq/skia,tmpvar/skia.cc,HalCanary/skia-hc,todotodoo/skia,pcwalton/skia,pcwalton/skia,Jichao/skia,rubenvb/skia,vanish87/skia,google/skia,todotodoo/skia,rubenvb/skia,aosp-mirror/platform_external_skia,nvoron23/skia,pcwalton/skia,pcwalton/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,tmpvar/skia.cc,qrealka/skia-hc,qrealka/skia-hc,tmpvar/skia.cc,pcwalton/skia,pcwalton/skia,ominux/skia,google/skia,tmpvar/skia.cc,rubenvb/skia,Jichao/skia,google/skia,tmpvar/skia.cc,ominux/skia,ominux/skia,aosp-mirror/platform_external_skia,google/skia,todotodoo/skia,google/skia,vanish87/skia,rubenvb/skia,Jichao/skia,rubenvb/skia,rubenvb/skia,tmpvar/skia.cc,tmpvar/skia.cc,ominux/skia,nvoron23/skia,HalCanary/skia-hc,google/skia,vanish87/skia,Hikari-no-Tenshi/android_external_skia,nvoron23/skia,Hikari-no-Tenshi/android_external_skia,shahrzadmn/skia,google/skia,Jichao/skia,Hikari-no-Tenshi/android_external_skia,Jichao/skia,rubenvb/skia,google/skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,todotodoo/skia,vanish87/skia,tmpvar/skia.cc,rubenvb/skia,HalCanary/skia-hc,shahrzadmn/skia,aosp-mirror/platform_external_skia,nvoron23/skia,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,pcwalton/skia,noselhq/skia,Jichao/skia,noselhq/skia,HalCanary/skia-hc,ominux/skia,vanish87/skia,shahrzadmn/skia,shahrzadmn/skia,google/skia,Jichao/skia,rubenvb/skia,qrealka/skia-hc,nvoron23/skia,HalCanary/skia-hc,HalCanary/skia-hc,aosp-mirror/platform_external_skia,vanish87/skia,shahrzadmn/skia,pcwalton/skia,aosp-mirror/platform_external_skia