* some further cleanups

src/Makefile.am

@@ -48,11 +48,9 @@ mu_LDADD=				\
 libmu_la_SOURCES=			\
 	mu-bookmarks.c			\
 	mu-bookmarks.h			\
-	mu-cmd-extract.c		\
 	mu-cmd-find.c			\
 	mu-cmd-index.c			\
-	mu-cmd-mkdir.c			\
-	mu-cmd-view.c			\
+	mu-cmd.c			\
 	mu-cmd.h			\
 	mu-config.c			\
 	mu-config.h			\
@@ -95,7 +93,6 @@ libmu_la_SOURCES=			\
 	mu-str.c			\
 	mu-str.h			\
 	mu-util-db.cc			\
-	mu-util-db.h			\
 	mu-util.c			\
 	mu-util.h