Fix omissions in ecpg/test/sql/.gitignore.

Oversights in commits 050710b and e81f0e3.

Author: tglsfdc

src/interfaces/ecpg/test/sql/.gitignore

@@ -6,6 +6,8 @@
 /code100.c
 /copystdout
 /copystdout.c
+/createtableas
+/createtableas.c
 /define
 /define.c
 /desc