Fix for a typo.

mysql-test/suite/wsrep/suite.pm

@@ -25,8 +25,8 @@ return "No my_print_defaults" unless $epath;
 push @::global_suppressions,
   (
      qr(WSREP: Could not open saved state file for reading: ),
-     qr(WSREP: option --wsrep-casual-reads is deprecated),
-     qr(WSREP: --wsrep-casual-reads=ON takes precedence over --wsrep-sync-wait=0),
+     qr(WSREP: option --wsrep-causal-reads is deprecated),
+     qr(WSREP: --wsrep-causal-reads=ON takes precedence over --wsrep-sync-wait=0),
      qr|WSREP: access file\(.*gvwstate.dat\) failed\(No such file or directory\)|,
    );
 

sql/mysqld.cc

@@ -8764,10 +8764,10 @@ static int get_options(int *argc_ptr, char ***argv_ptr)
   }
 
   if (global_system_variables.wsrep_causal_reads) {
-      WSREP_WARN("option --wsrep-casual-reads is deprecated");
+      WSREP_WARN("option --wsrep-causal-reads is deprecated");
       if (!(global_system_variables.wsrep_sync_wait &
             WSREP_SYNC_WAIT_BEFORE_READ)) {
-          WSREP_WARN("--wsrep-casual-reads=ON takes precedence over --wsrep-sync-wait=%u. "
+          WSREP_WARN("--wsrep-causal-reads=ON takes precedence over --wsrep-sync-wait=%u. "
                      "WSREP_SYNC_WAIT_BEFORE_READ is on",
                      global_system_variables.wsrep_sync_wait);
           global_system_variables.wsrep_sync_wait |= WSREP_SYNC_WAIT_BEFORE_READ;