enchant2: fix do_fetch error

Change the SRC_URI to the correct value due to the following error:
WARNING: enchant2-2.6.7-r0 do_fetch: Failed to fetch URL https://github.com/AbiWord/enchant/releases/download/v2.6.7/enchant-2.6.7.tar.gz, attempting MIRRORS if available

(From OE-Core rev: 15337a58f77de3d0a30b73fcd836349df811ca39)

Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-support/enchant/enchant2_2.6.7.bb

@@ -14,7 +14,7 @@ inherit autotools pkgconfig github-releases
 SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/enchant-${PV}.tar.gz"
 SRC_URI[sha256sum] = "a1c2e5b59acca000bbfb24810af4a1165733d407f2154786588e076c8cd57bfc"
 
-GITHUB_BASE_URI = "https://github.com/AbiWord/enchant/releases"
+GITHUB_BASE_URI = "https://github.com/rrthomas/enchant/releases"
 
 S = "${WORKDIR}/enchant-${PV}"