ffmpeg: Configuration fixes for optional codec libraries

Signed-off-by: Ted Hess <thess@kitschensync.net>

multimedia/ffmpeg/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ffmpeg
 PKG_VERSION:=3.2.12
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://ffmpeg.org/releases/
@@ -342,13 +342,10 @@ endef
 define Package/libffmpeg-full
 $(call Package/libffmpeg/Default)
  TITLE+= (full)
- DEPENDS+= +alsa-lib +PACKAGE_libopus:libopus
- ifeq ($(CONFIG_SOFT_FLOAT),y)
-	DEPENDS+= +PACKAGE_shine:shine
- else
-	DEPENDS+= +PACKAGE_lame-lib:lame-lib +PACKAGE_libx264:libx264 +PACKAGE_fdk-aac:fdk-aac
-
- endif
+ DEPENDS+= +alsa-lib +PACKAGE_libopus:libopus \
+    $(if $$(CONFIG_SOFT_FLOAT),\
+	+PACKAGE_shine:shine,\
+	+PACKAGE_lame-lib:lame-lib +PACKAGE_libx264:libx264 +PACKAGE_fdk-aac:fdk-aac)
  VARIANT:=full
 endef