aedi: patch flac to avoid usage of git

commit hash and date of this repo instead of flac one were put into the binary

aedi/target/library_tier1.py

@@ -77,7 +77,8 @@ class FlacTarget(CMakeStaticDependencyTarget):
     def prepare_source(self, state: BuildState):
         state.download_source(
             'https://github.com/xiph/flac/releases/download/1.4.0/flac-1.4.0.tar.xz',
-            'af41c0733c93c237c3e52f64dd87e3b0d9af38259f1c7d11e8cbf583c48c2506')
+            'af41c0733c93c237c3e52f64dd87e3b0d9af38259f1c7d11e8cbf583c48c2506',
+            patches='flac-no-git')
 
     def configure(self, state: BuildState):
         opts = state.options

patch/flac-no-git.diff

@@ -0,0 +1,11 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -53,7 +53,7 @@
+ 
+ find_program (HAVE_GIT git)
+ 
+-if(HAVE_GIT)
++if(0)
+     execute_process(
+         COMMAND git describe --tags --exact-match
+         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}