Update incron rpm for EL6-x86_64 to 0.5.10
0.5.10    2012-04-05
some includes added to build correctly with GCC 4.4 and newer (#0000385, #0000447)
some type issues fixed (#0000447)
EAGAIN handling in poll() implemented (#0000399, #0000686, #0000691)
Makefile improved (#0000512)
typo in various files fixed (#0000412)