Merge pull request #218 from mbuesch/quiet

icepll: In quiet mode don't print info about target file name

icepll/icepll.cc

diff --git a/icepll/icepll.cc b/icepll/icepll.cc
index 82bf3e3..689b362 100644
--- a/icepll/icepll.cc
+++ b/icepll/icepll.cc
@@ -314,7 +314,8 @@
 
 		fclose(f);
 
-		printf("PLL configuration written to: %s\n", filename);
+		if (!quiet)
+			printf("PLL configuration written to: %s\n", filename);
 	}
 
 	return 0;