Convert to new override syntax

This is the result of automated script (0.9.1) conversion:

oe-core/scripts/contrib/convert-overrides.py .

converting the metadata to use ":" as the override character instead of "_".

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth_git.bb

@@ -10,7 +10,7 @@ SRC_URI += " \
 
 EXTRA_OECMAKE = "-Denable-floats=ON -DLIB_SUFFIX=${@d.getVar('baselib').replace('lib', '')}"
 
-do_configure_append() {
+do_configure:append() {
     make_tables.exe ${B}/
 }