Fix song lang problems

test/test_compilation/subdir.tex.control

@@ -35,8 +35,8 @@ guitar,
 \usepackage{lmodern}
 
 
-\PassOptionsToPackage{french}{babel}
 \PassOptionsToPackage{english}{babel}
+\PassOptionsToPackage{french}{babel}
 \usepackage[english]{babel}
 \lang{english}
 
@@ -144,7 +144,7 @@ Chordpro}[
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% songs/./datadir.sgc
 
-\selectlanguage{french}
+\selectlanguage{english}
 
 \beginsong{Image included from datadir\\
 Chordpro}[

test/test_compilation/subdir_datadir/songs/datadir2.sgc

@@ -1,6 +1,7 @@
 {title : Image included from a different datadir}
 {subtitle: Chordpro}
 {cover: datadir2.png}
+{lang: fr}
 
 {partition: datadir2.ly}
 {image: datadir2.png}

test/test_compilation/subdir_datadir/songs/relative.sgc

@@ -1,6 +1,7 @@
 {title : Image included from song directory}
 {subtitle: Chordpro}
 {cover: relative.png}
+{lang: fr}
 
 {partition: relative.ly}
 {image: relative.png}