add docs for exe line buffer.

SVN revision: 74227

legacy/ecore/src/lib/ecore/Ecore.h

@@ -930,8 +930,8 @@ struct _Ecore_Exe_Event_Del    /** Process exit event */
 
 struct _Ecore_Exe_Event_Data_Line    /**< Lines from a child process */
 {
-   char *line;
-   int   size;
+   char *line; /**< The bytes of a line of buffered data */
+   int   size; /**< The size odf the line buffer in bytes */
 };
 
 struct _Ecore_Exe_Event_Data    /** Data from a child process event */