egl/haiku: use correct version variable
egl/haiku: use correct version variable

Earlier commit folded the two separate variables into one, but forgot to
update the haiku driver.

Fixes: 0e4b564ef28(egl: combine VersionMajor and VersionMinor into one
variable)
Cc: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>>
Cc: Alexander von Gluck IV <8050fe2e631cf94cda7ab10ec033d5f8128295cb@unixzen.com>
Acked-by: Brian Paul <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@vmware.com>
Signed-off-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler