gltrace,glretrace: Properly handle PBOs with GL_EXT_direct_state_access.

[apitrace] / specs / scripts / glparams.sed

s/^\s\+\(\w\+\)\s*=\s*\(0x\w\+\)\s\+#\s\+\([0-9]\+\)\s\+\([IF]\)\s*\(#.*\)\?$/    ("glGet",\t\4,\t\3,\t"GL_\1"),\t# \2/p
s/^\s\+\(\w\+\)\s*=\s*\(0x\w\+\)\s*\(#.*\)\?$/    ("",\tX,\t1,\t"GL_\1"),\t# \2/p