package/mesa3d: fix typo in file hash

Fix typo introduced with the bump to 18.0.4.

Commit f18ca0e7bb0e522846296139cdf0f8039d7dca1c

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mesa3d/mesa3d.hash

@@ -2,7 +2,7 @@
 md5 ef525adaff7f31bedd4c5134bc313da9  mesa-18.0.4.tar.xz
 sha1 4bbee07d8eb42625f215f49d39a657fabdc2f29d  mesa-18.0.4.tar.xz
 sha256 1f3bcfe7cef0a5c20dae2b41df5d7e0a985e06be0183fa4d43b6068fcba2920f  mesa-18.0.4.tar.xz
-sha512 f9a14be46c209661ceb318add1611481445d13b47e95c7a5d2a5e5ecfdd5d2c3fa9c2b16b30035bbb8d61ccc7cb65bfa6698ac8b040273e5ab045a951a67752c  mesa-18.0.3.tar.xz
+sha512 f9a14be46c209661ceb318add1611481445d13b47e95c7a5d2a5e5ecfdd5d2c3fa9c2b16b30035bbb8d61ccc7cb65bfa6698ac8b040273e5ab045a951a67752c  mesa-18.0.4.tar.xz
 # License
 sha256 630e75b4fdeb75ee2bf9e55db54dd1e3ff7353d52d9314ca8512bfd460f8e24c  docs/license.html
 sha256 a75ee0cec909515ff80a3ec07155b7fb0aafe8051abe1f0e45d5c4c5e2539366  docs/patents.txt