vala: update 0.56.17 -> 0.56.18

- this update is required to work with gobject-introspection >= 1.83.2

Vala 0.56.18
============
 * Various improvements and bug fixes:
  - vala: Don't allow inheritance of compact class from non-compact class
  - vala, libvaladoc: Fix color support detection in log reporting
  - girparser: Handle `doc:format` element in root:repository [#1586]
  - codegen: Use correct ctype for result variable in methods in more cases
  - codegen: Fix conditional expression with only one void side
  - valadoc: Sync gir argument handling from valacompiler.vala
  - Update links to GNOME Wiki project and refer to new Vala websites
  - Add CI for tarball release service
 * Bindings:
  - gio-2.0: Improve the {Input,Output}Message bindings
  - glib-2.0: Fix the binding of `get_console_charset`
  - glib-2.0: Add missing CCode.array_null_terminated attributes to IConv.iconv()
  - glib-2.0: Make FileStream.*printf() return int [#1547]
  - glib-2.0: Update RegexMatchFlags and RegexCompileFlags's binding to 2.74
  - glib-2.0: Add Regex.escape_nul in GLib
  - gnu: add binding for 'relocate' APIs
  - gobject-2.0: Add TypeFlags missing values
  - gstreamer-1.0: Skip ParamSpecArray and ParamSpecFraction
  - libusb-1.0: Fix the LibUSB.TransferCb declaration
  - libusb-1.0: Fix the LibUSB.HotPlugCb declaration
  - sdl2: Fix CCode.destroy_function of SDL.RWops and usage of
    SDL.RWops.from_file() [#1550]
  - sdl2: Fix missing integer type for JoystickID [#1563]

(From OE-Core rev: 6aa3e8e7b701590097ecefc3cf9a193423c5a5ea)

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/vala/vala_0.56.18.bb

@@ -19,7 +19,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
 SHRT_VER = "${@d.getVar('PV').split('.')[0]}.${@d.getVar('PV').split('.')[1]}"
 
 SRC_URI = "http://ftp.gnome.org/pub/GNOME/sources/${BPN}/${SHRT_VER}/${BP}.tar.xz"
-SRC_URI[sha256sum] = "26100c4e4ef0049c619275f140d97cf565883d00c7543c82bcce5a426934ed6a"
+SRC_URI[sha256sum] = "f2affe7d40ab63db8e7b9ecc3f6bdc9c2fc7e3134c84ff2d795f482fe926a382"
 
 inherit autotools pkgconfig upstream-version-is-even