mysql-test/r/func_str.result:
  A result for test case for the bug #7495 involving either LTRIM() 
  or TRIM() within QUOTE() function.
mysql-test/t/func_str.test:
  A test case for the bug #7495 involving either LTRIM() or TRIM() 
  within QUOTE() function.
sql/item_strfunc.cc:
  Changes for LTRIM() and TRIM() functions that aleviate the bug  
  entirely.