X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fprogram-option.cc;h=00745cba2762c7280e61f967ff390ecc9d6c92c2;hb=1de3d397c18622b6061402fef18e625701712bc5;hp=21fc5c166c9c2cf51737259c21b8f4929330f6d7;hpb=a22f2ad68fccb81e52f805ba69cb8c0e6bf8cd82;p=lilypond.git

diff --git a/lily/program-option.cc b/lily/program-option.cc
index 21fc5c166c..00745cba27 100644
--- a/lily/program-option.cc
+++ b/lily/program-option.cc
@@ -20,6 +20,8 @@
 
 #include "program-option.hh"
 
+using std::string;
+
 string
 get_output_backend_name ()
 {