This fixes extracting of the tarball when master has progressed
from the specified hash.
Signed-off-by: Martin Storsjö <martin@martin.st>
OPENSSL_VERSION=1.0.0e
OPENSSL_URL=http://www.openssl.org/source/openssl-$(OPENSSL_VERSION).tar.gz
-GAS_URL=https://github.com/libav/gas-preprocessor/tarball/master
GAS_VERSION=c76b628
+GAS_URL=https://github.com/libav/gas-preprocessor/tarball/$(GAS_VERSION)
RAGEL_VERSION=6.8
RAGEL_URL=http://www.complang.org/ragel/ragel-$(RAGEL_VERSION).tar.gz