additional files that specify some actions which are allowed to the MySQL binaries.
    
Create a new subdirectory "supportfiles/RHEL4-SElinux" for them, and process it.

This fixes bug#12676.


configure.in:
  New "support-files/RHEL4-SElinux/Makefile.am" must be processed by "automake" etc.
support-files/Makefile.am:
  For Linux systems running RHEL 4 (which includes SE-Linux), we need to provide
  additional files that specify some actions which are allowed to the MySQL binaries.
  
  Create a new subdirectory "supportfiles/RHEL4-SElinux" for them, and process it.
support-files/RHEL4-SElinux/Makefile.am:
  BitKeeper file /MySQL/M50/bug12676-5.0/support-files/RHEL4-SElinux/Makefile.am
support-files/RHEL4-SElinux/mysql.fc:
  BitKeeper file /MySQL/M50/bug12676-5.0/support-files/RHEL4-SElinux/mysql.fc
support-files/RHEL4-SElinux/mysql.te:
  BitKeeper file /MySQL/M50/bug12676-5.0/support-files/RHEL4-SElinux/mysql.te