ncmpc: bump to version 0.30

Since this version, ncmpc depends on C++14:
https://github.com/MusicPlayerDaemon/ncmpc/commit/aea91692b05e7c2cd2e1b09cf10b0196e3527807

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/ncmpc/Config.in

@@ -1,8 +1,10 @@
 config BR2_PACKAGE_NCMPC
 	bool "ncmpc"
 	depends on BR2_USE_MMU # fork()
+	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_WCHAR # libglib2 -> gettext
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C++14
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_LIBMPDCLIENT
 	select BR2_PACKAGE_NCURSES
@@ -13,6 +15,7 @@ config BR2_PACKAGE_NCMPC
 
 	  http://www.musicpd.org/clients/ncmpc/
 
-comment "ncmpc needs a toolchain w/ wchar, threads"
+comment "ncmpc needs a toolchain w/ C++, wchar, threads, gcc >= 4.9"
 	depends on BR2_USE_MMU
-	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || \
+		!BR2_TOOLCHAIN_HAS_THREADS || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9

package/ncmpc/ncmpc.hash

@@ -1,5 +1,5 @@
 # Locally calculated after checking pgp signature
-sha256 ef68a9b67172383ea80ee46579015109433fa058728812d2b0ebede660d85f12  ncmpc-0.29.tar.xz
+sha256 e3fe0cb58b8a77f63fb1645c2f974b334f1614efdc834ec698ee7d861f1b12a3  ncmpc-0.30.tar.xz
 
 # Hash for license file:
 sha256 ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  COPYING

package/ncmpc/ncmpc.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 NCMPC_VERSION_MAJOR = 0
-NCMPC_VERSION = $(NCMPC_VERSION_MAJOR).29
+NCMPC_VERSION = $(NCMPC_VERSION_MAJOR).30
 NCMPC_SOURCE = ncmpc-$(NCMPC_VERSION).tar.xz
 NCMPC_SITE = http://www.musicpd.org/download/ncmpc/$(NCMPC_VERSION_MAJOR)
 NCMPC_DEPENDENCIES = host-pkgconf libglib2 libmpdclient ncurses