softpipe/query: force parenthesis around a logical not
softpipe/query: force parenthesis around a logical not

This makes GCC5 happy.

Reviewed-by: Brian Paul <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@vmware.com>
Signed-off-by: Martin Peres <f078f77bcd6141e84e4eefdc58402db4e0e36622@linux.intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler