Bug#33903639 Fix spell of log messages in mysql_safe

 Fix some spelling mistakes in mysqld_safe.
 Based on contribution from bin wang.

Change-Id: Ia4a7e99f3b42d754dd7db6c5470381e41ec9d368

Author: trosten

scripts/mysqld_safe.sh

@@ -850,7 +850,7 @@ log_notice "Starting $MYSQLD daemon with databases from $DATADIR"
 
 # variable to track the current number of "fast" (a.k.a. subsecond) restarts
 fast_restart=0
-# maximum number of restarts before trottling kicks in
+# maximum number of restarts before throttling kicks in
 max_fast_restarts=5
 # flag whether a usable sleep command exists
 have_sleep=1
@@ -922,7 +922,7 @@ do
         sleep_state=$?
         if test $sleep_state -gt 0
         then
-          log_notice "The server is respawning too fast and no working sleep command. Turning off trottling."
+          log_notice "The server is respawning too fast and in addition no working 'sleep' command was found. Turning off throttling."
           have_sleep=0
         fi