compiler: fix quoting of //go:linkname in error message
    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/195718


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@275758 138bc75d-0d04-0410-961f-82ee72b054a4
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 522d408..1456026 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-5af62eda697da21155091cf5375ed9edb4639b67
+722990deeede7801e4ed3ca5d53ce312a19fcd7a
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index 3ff88cb..e7af673 100644
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -2541,7 +2541,7 @@
     {
       if (ext_name.empty())
 	go_error_at(loc,
-		    ("//%<go:linkname%> missing external name "
+		    ("%<//go:linkname%> missing external name "
 		     "for declaration of %s"),
 		    go_name.c_str());
       else