[Bug target/51900] [4.6 Regression] const variable initialization always zero

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51900

--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> 2012-01-19 
11:34:52 UTC ---
I can reproduce with x86_64-w64-mingw32-gcc-4.6.2 on cygwin.  Adding 'extern'
to the declaration in the .h file fixes it.