libdispatch: switch from snapshot to latest 5.1 release

packages/libdispatch/build.sh

@@ -1,8 +1,8 @@
 TERMUX_PKG_HOMEPAGE=https://github.com/apple/swift-corelibs-libdspatch
 TERMUX_PKG_DESCRIPTION="The libdispatch project, for concurrency on multicore hardware"
 TERMUX_PKG_LICENSE="Apache-2.0"
-TERMUX_PKG_VERSION=2019-09-04
-TERMUX_PKG_SRCURL=https://github.com/apple/swift-corelibs-libdispatch/archive/swift-DEVELOPMENT-SNAPSHOT-${TERMUX_PKG_VERSION}-a.tar.gz
-TERMUX_PKG_SHA256=fada9fc9f4c6fac1c8b11d4187deb67329744f412df656d1b77122765db06147
+TERMUX_PKG_VERSION=5.1
+TERMUX_PKG_SRCURL=https://github.com/apple/swift-corelibs-libdispatch/archive/swift-${TERMUX_PKG_VERSION}-RELEASE.tar.gz
+TERMUX_PKG_SHA256=da24d299eecc10e7d4b40a24e0700ca2f73da622795ecf6f4a5da4d33c486662
 TERMUX_PKG_DEPENDS="libc++"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="-DENABLE_TESTING=OFF"

packages/libdispatch/src-CMakeLists.txt.patch

@@ -3,9 +3,9 @@ index 2809c11..368d428 100644
 --- a/src/CMakeLists.txt
 +++ b/src/CMakeLists.txt
 @@ -246,6 +246,9 @@ if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
-                  "-Xlinker -dead_strip"
                   "-Xlinker -alias_list -Xlinker ${PROJECT_SOURCE_DIR}/xcodeconfig/libdispatch.aliases")
  endif()
+ dispatch_set_linker(dispatch)
 +if(CMAKE_SYSTEM_NAME STREQUAL Android)
 +  set_property(TARGET dispatch APPEND PROPERTY LINK_LIBRARIES "log")
 +endif()