enhanced eval_getline() in awk.

fixed a bug in awk's printf().
fixed a bug of not incrementing NR and FNR in awk's getline().
added some MPI stuffs

qse/lib/awk/awk.h

@@ -285,6 +285,7 @@ struct qse_awk_rtx_t
 
 		qse_str_t line; /* entire line */
 		qse_str_t linew; /* line for manipulation, if necessary */
+		qse_str_t lineg; /* line buffer for getline */
 
 		qse_awk_val_t* d0; /* $0 */
 
@@ -298,6 +299,8 @@ struct qse_awk_rtx_t
 		}* flds;
 	} inrec;
 
+	qse_awk_nrflt_t nrflt;
+
 	struct
 	{
 		void* rs;