gallium/util: fix up inaccurate behavior of util_framebuffer_state_equal (v2)
gallium/util: fix up inaccurate behavior of util_framebuffer_state_equal (v2)

v2: move the nr_cbufs check above the loop

Reviewed-by: Ilia Mirkin <bcbbb7aa705ec3a5fc5824c01a845186c3d62fca@alum.mit.edu> (v1)

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler