.github: use "" in printfs, when called with -c '...'

Signed-off-by: Joachim Wiberg <[email protected]>

Author: troglobit

.github/workflows/build.yml

@@ -45,7 +45,7 @@ jobs:
                   ./appimagetool.AppImage --appimage-extract 2>/dev/null || unsquashfs -d squashfs-root appimagetool.AppImage && \
                   mkdir -p AppDir/usr/bin AppDir/usr/share/applications AppDir/usr/share/icons/hicolor/256x256/apps && \
                   cp demo AppDir/usr/bin/ && \
-                  printf '[Desktop Entry]\nType=Application\nName=Infix Demo\nExec=usr/bin/demo\nIcon=demo\nCategories=Game;\n' > AppDir/usr/share/applications/demo.desktop
+                  printf "[Desktop Entry]\nType=Application\nName=Infix Demo\nExec=usr/bin/demo\nIcon=demo\nCategories=Game;\n" > AppDir/usr/share/applications/demo.desktop
                   cp jack.png AppDir/usr/share/icons/hicolor/256x256/apps/demo.png && \
                   ln -sf usr/share/applications/demo.desktop AppDir/demo.desktop && \
                   ln -sf usr/share/icons/hicolor/256x256/apps/demo.png AppDir/demo.png && \
@@ -66,7 +66,7 @@ jobs:
               ./appimagetool --appimage-extract &&
               mkdir -p AppDir/usr/bin AppDir/usr/share/applications AppDir/usr/share/icons/hicolor/256x256/apps &&
               cp demo AppDir/usr/bin/ &&
-              printf '[Desktop Entry]\nType=Application\nName=Infix Demo\nExec=usr/bin/demo\nIcon=demo\nCategories=Game;\n' > AppDir/usr/share/applications/demo.desktop &&
+              printf "[Desktop Entry]\nType=Application\nName=Infix Demo\nExec=usr/bin/demo\nIcon=demo\nCategories=Game;\n" > AppDir/usr/share/applications/demo.desktop &&
               cp jack.png AppDir/usr/share/icons/hicolor/256x256/apps/demo.png &&
               ln -sf usr/share/applications/demo.desktop AppDir/demo.desktop &&
               ln -sf usr/share/icons/hicolor/256x256/apps/demo.png AppDir/demo.png &&