codecs: Move noinst_HEADERS to Makefile.am

It's not common code and because it is only required for make dist
placing it in Makefile.am provides better automake readability.

Also noinst_HEADERS is not necessary in _SOURCES.

Change-Id: I5269b79b62141efbc3151e69c5584643e5ebec47
Reviewed-on: https://code.wireshark.org/review/15399
Reviewed-by: João Valverde <j@v6e.pt>

codecs/Makefile.am

@@ -33,8 +33,7 @@ endif
 
 # All sources that should be put in the source distribution tarball
 libwscodecs_la_SOURCES = \
-	$(LIBWSCODECS_SRC) \
-	$(noinst_HEADERS)
+	$(LIBWSCODECS_SRC)
 
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
 libwscodecs_la_LDFLAGS = -version-info 0:0:0 @LDFLAGS_SHAREDLIB@
@@ -43,6 +42,19 @@ libwscodecs_la_LIBADD = $(top_builddir)/wsutil/libwsutil.la $(GLIB_LIBS) $(SBC_L
 
 libwscodecs_la_DEPENDENCIES = $(top_builddir)/wsutil/libwsutil.la
 
+noinst_HEADERS = \
+	codecs.h \
+	G711a/G711adecode.h \
+	G711a/G711atable.h \
+	G711u/G711udecode.h \
+	G711u/G711utable.h \
+	G722/G722decode.h \
+	G726/G726decode.h \
+	sbc/sbc_private.h \
+	speex/arch.h \
+	speex/speex_resampler.h \
+	speex/stack_alloc.h
+
 EXTRA_DIST = \
 	CMakeLists.txt			\
 	Makefile.common			\

codecs/Makefile.common

@@ -28,14 +28,3 @@ LIBWSCODECS_SRC = \
 	G722/G722decode.c \
 	G726/G726decode.c \
 	speex/resample.c
-
-noinst_HEADERS = \
-	codecs.h \
-	G711a/G711adecode.h G711a/G711atable.h	\
-	G711u/G711udecode.h G711u/G711utable.h	\
-	G722/G722decode.h \
-	G726/G726decode.h \
-	sbc/sbc_private.h \
-	speex/arch.h \
-	speex/speex_resampler.h \
-	speex/stack_alloc.h