Remove an errant '$' in the configure.m4 files. Was causing problems with configure.

This commit was SVN r22821.

orte/mca/grpcomm/mcast/configure.m4

@@ -10,7 +10,7 @@
 
 # MCA_grpcomm_mcast_CONFIG([action-if-found], [action-if-not-found])
 # -----------------------------------------------------------
-AC_DEFUN([MCA_grpcomm_mcast_CONFIG], [$
+AC_DEFUN([MCA_grpcomm_mcast_CONFIG], [
     # if we don't want reliable multicast, don't compile
     # this component
     AS_IF([test "$orte_want_multicast" = "1"],

orte/mca/rmcast/tcp/configure.m4

@@ -10,7 +10,7 @@
 
 # MCA_rmcast_tcp_CONFIG([action-if-found], [action-if-not-found])
 # -----------------------------------------------------------
-AC_DEFUN([MCA_rmcast_tcp_CONFIG], [$
+AC_DEFUN([MCA_rmcast_tcp_CONFIG], [
     # if we don't want reliable multicast, don't compile
     # this component
     AS_IF([test "$orte_want_multicast" = "1"],

orte/mca/rmcast/udp/configure.m4

@@ -10,7 +10,7 @@
 
 # MCA_rmcast_udp_CONFIG([action-if-found], [action-if-not-found])
 # -----------------------------------------------------------
-AC_DEFUN([MCA_rmcast_udp_CONFIG], [$
+AC_DEFUN([MCA_rmcast_udp_CONFIG], [
     # if we don't want reliable multicast, don't compile
     # this component
     AS_IF([test "$orte_want_multicast" = "1"],