fix typos in cpg_mcast_joined.3 and cpg_zcb_mcast_joined.3

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

man/cpg_mcast_joined.3

@@ -38,7 +38,7 @@ cpg_mcast_joined \- Multicasts to all groups joined to a handle
 .B #include <sys/uio.h>
 .B #include <corosync/cpg.h>
 .sp
-.BI "int cpg_mcast_joined(cpg_handle_t " handle ", cpg_gurantee_t " guarantee ", struct iovec *" iovec ", int " iov_len ");
+.BI "int cpg_mcast_joined(cpg_handle_t " handle ", cpg_guarantee_t " guarantee ", struct iovec *" iovec ", int " iov_len ");
 .SH DESCRIPTION
 The
 .B cpg_mcast_joined

man/cpg_zcb_mcast_joined.3

@@ -38,7 +38,7 @@ cpg_mcast_joined \- Multicasts a zero copy buffer to all groups joined to a hand
 .B #include <sys/uio.h>
 .B #include <corosync/cpg.h>
 .sp
-.BI "int cpg_zcb_mcast_joined(cpg_handle_t " handle ", cpg_gurantee_t " guarantee ", const void *" buffer "", int " msg_len ");
+.BI "int cpg_zcb_mcast_joined(cpg_handle_t " handle ", cpg_guarantee_t " guarantee ", const void *" buffer "", int " msg_len ");
 .SH DESCRIPTION
 The
 .B cpg_zcb_mcast_joined