+ Add the keyword "datetime" in styleLexSQL (issue #1132)

Author: hpwamr

src/StyleLexers/styleLexSQL.c

@@ -6,11 +6,11 @@ KEYWORDLIST KeyWords_SQL = {
 "abort accessible action add after all alter analyze and as asc asensitive attach autoincrement "
 "before begin between bigint binary bit blob both by call cascade case cast change char character "
 "check collate column commit condition conflict constraint continue convert create cross current_date "
-"current_time current_timestamp current_user cursor database databases date day_hour day_microsecond "
-"day_minute day_second dec decimal declare default deferrable deferred delayed delete desc describe "
-"detach deterministic distinct distinctrow div double drop dual each else elseif enclosed end enum "
-"escape escaped except exclusive exists exit explain fail false fetch float float4 float8 for force "
-"foreign from full fulltext glob grant group having high_priority hour_microsecond hour_minute "
+"current_time current_timestamp current_user cursor database databases date datetime day_hour "
+"day_microsecond day_minute day_second dec decimal declare default deferrable deferred delayed delete "
+"desc describe detach deterministic distinct distinctrow div double drop dual each else elseif enclosed "
+"end enum escape escaped except exclusive exists exit explain fail false fetch float float4 float8 for "
+"force foreign from full fulltext glob grant group having high_priority hour_microsecond hour_minute "
 "hour_second if ignore immediate in index infile initially inner inout insensitive insert instead int "
 "int1 int2 int3 int4 int8 integer intersect interval into is isnull iterate join key keys kill "
 "leading leave left like limit linear lines load localtime localtimestamp lock long longblob longtext "