For some reason, yacc (actually GNU bison) uses "static inline" to
declare many of the internal functions for its GLR parser.  This is
bad, because "static" enforces internal linkage, but in C++ "inline"
implies external linkage.  Under VS11 "static inline" produces an error.

Change-Id: I741204baaa271a779ab5b7c76d05327f5b705d07