ob-lilypond: add to make file and fix compiler warnings

* Makefile (LISPF): Adding ob-lilypond.el.
* lisp/ob-lilypond.el (show-all): Declaring function from outline.el.
  (org-babel-default-header-args:lilypond): Declared.
  (ly-process-basic): Use the appropriate prefix for the temporary
  file, and don't call a function from ob-dot.el.
  (ly-version): Let-bind a free variable.

Makefile

@@ -156,7 +156,8 @@ LISPF      = 	org.el			\
 		ob-plantuml.el		\
 		ob-org.el		\
 		ob-js.el		\
-		ob-scheme.el
+		ob-scheme.el		\
+		ob-lilypond.el
 
 LISPFILES0  = $(LISPF:%=lisp/%)
 LISPFILES   = $(LISPFILES0) lisp/org-install.el

lisp/ob-lilypond.el

@@ -31,8 +31,14 @@
 (require 'ob)
 (require 'ob-eval)
 (defalias 'lilypond-mode 'LilyPond-mode)
+
+(declare-function show-all "outline" ())
+
 (add-to-list 'org-babel-tangle-lang-exts '("LilyPond" . "ly"))
 
+(defvar org-babel-default-header-args:lilypond '()
+  "Default header arguments for js code blocks.")
+
 (defconst ly-version "0.3"
   "The version number of the file ob-lilypond.el.")
 
@@ -137,10 +143,10 @@ specific arguments to =org-babel-tangle="
 	 (out-file (cdr (assoc :file params)))
 	 (cmdline (or (cdr (assoc :cmdline params))
 		      ""))
-	 (in-file (org-babel-temp-file "dot-")))
+	 (in-file (org-babel-temp-file "lilypond-")))
 
     (with-temp-file in-file
-      (insert (org-babel-expand-body:dot body params)))
+      (insert (org-babel-expand-body:generic body params)))
     
     (org-babel-eval
      (concat
@@ -404,9 +410,9 @@ If TEST is non-nil, it contains a simulation of the OS for test purposes"
 
 (defun ly-version (&optional insert-at-point)
   (interactive)
-    (setq version (format "ob-lilypond version %s" ly-version))
+  (let ((version (format "ob-lilypond version %s" ly-version)))
     (when insert-at-point (insert version))
-    (message version))
+    (message version)))
 
   (defun ly-switch-extension (file-name ext)
   "Utility command to swap current FILE-NAME extension with EXT"