Let "make install" install mysql-test-run.pl
mysql.spec.sh:
  Set $LDFLAGS from $MYSQL_BUILD_LDFLAGS (bug#16662)


support-files/mysql.spec.sh:
  Set $LDFLAGS from $MYSQL_BUILD_LDFLAGS (bug#16662)
mysql-test/Makefile.am:
  Let "make install" install mysql-test-run.pl