SQL: Change --sql hint to be at least -- sql instead

Since --sql is not a valid comment and will create errors if applying blindly.

Author: keevan

grammars/php.cson

@@ -2759,7 +2759,7 @@
     'match': '\\\\(?:\\\\(?:\\\\[\\\\\']?|[^\'])|.)'
     'name': 'constant.character.escape.php'
   'sql-string-double-quoted':
-    'begin': '(?i:"(?=\\s*\\(?\\s*(--\\s*SQL|SELECT|INSERT|UPDATE|DELETE|CREATE|REPLACE|ALTER|AND|WITH)\\b))'
+    'begin': '(?i:"(?=\\s*\\(?\\s*(--\\s+SQL|SELECT|INSERT|UPDATE|DELETE|CREATE|REPLACE|ALTER|AND|WITH)\\b))'
     'beginCaptures':
       '0':
         'name': 'punctuation.definition.string.begin.php'
@@ -2828,7 +2828,7 @@
       }
     ]
   'sql-string-single-quoted':
-    'begin': '(?i:\'(?=\\s*\\(?\\s*(--\\s*SQL|SELECT|INSERT|UPDATE|DELETE|CREATE|REPLACE|ALTER|AND|WITH)\\b))'
+    'begin': '(?i:\'(?=\\s*\\(?\\s*(--\\s+SQL|SELECT|INSERT|UPDATE|DELETE|CREATE|REPLACE|ALTER|AND|WITH)\\b))'
     'beginCaptures':
       '0':
         'name': 'punctuation.definition.string.begin.php'