package/glibc: update hash of LICENSES file for ARC version

In commit 5d4f23cbe65c79826b1b2071e972803a453934cb ("toolchain: Bump ARC tools to arc-2018.09-rc1"), the glibc version for the ARC architecture was bumped, but the hashes of the license files were not updated accordingly, causing a build failure during "legal-info":

ERROR: LICENSES has wrong sha256 hash:
ERROR: expected: 61abdd6930c9c599062d89e916b3e7968783879b6be0ee1c6229dd6169def431
ERROR: got : 35bdb41dc0bcb10702ddacbd51ec4c0fe6fb3129f734e8c85fc02e4d3eb0ce3f

The changes between the previous LICENSES file and the new one are:

- The text related to libidn has been removed from the LICENSES file, following the switch to libidn2:

https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=7f9f1ecb710eac4d65bb02785ddf288cac098323#patch2

- The text related to stdio-common/tst-printf.c has been removed from the LICENSES file, following the removal of this non-free code from glibc:

https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=5a357506659f9a00fcf5bc9c5d8fc676175c89a7#patch2

---
 package/glibc/arc-2018.09-rc2/glibc.hash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 4a8c4eae2b..9182271131 100644
@@ -4,4 +4,4 @@ sha256  017dce426a4f4db2d77783e318c32f29b75b01e231f65052e10c7d935b8b22e3  glibc-
 # Hashes for license files
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  COPYING
 sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  COPYING.LIB
-sha256  61abdd6930c9c599062d89e916b3e7968783879b6be0ee1c6229dd6169def431  LICENSES
+sha256  35bdb41dc0bcb10702ddacbd51ec4c0fe6fb3129f734e8c85fc02e4d3eb0ce3f  LICENSES

2.19.1

Committed to next, thanks.

Bye, Peter Korsgaard