Remove all build warnings

[lawrancej]

Every build produces a slew of warnings. This isn't necessary. Fix the code, not the build script.

[Kirikanna]

I'll take a look.

[Kirikanna]

C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe /ERRORREPO
RT:QUEUE /OUT:"C:\Users\Kiri\CompilerKit\build\Debug\grammar-test.exe" /INCREMEN
TAL /NOLOGO /LIBPATH:c:/glib/lib /LIBPATH:c:/glib/lib/Debug kernel32.lib user32.
lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.
lib advapi32.lib "glib-2.0.lib" intl.lib "gobject-2.0.lib" "gthread-2.0.lib" "gl
ib-2.0.lib" intl.lib Debug\CompilerKit.lib "glib-2.0.lib" intl.lib "gobject-2.0.
lib" "gthread-2.0.lib" "glib-2.0.lib" intl.lib "gobject-2.0.lib" "gthread-2.0.li
b" /MANIFEST /ManifestFile:"grammar-test.dir\Debug\grammar-test.exe.intermediate
.manifest" /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /DEBUG /PDB:"C:/Use
rs/Kiri/CompilerKit/build/Debug/grammar-test.pdb" /SUBSYSTEM:CONSOLE /STACK:"100
00000" /TLBID:1 /DYNAMICBASE /NXCOMPAT /IMPLIB:"C:/Users/Kiri/CompilerKit/build/
Debug/grammar-test.lib" /MACHINE:X86 "grammar-test.dir\Debug\grammar-test.exe.em
bed.manifest.res"