Removed the need to write md5 conf to the source tree

.gitignore

@@ -2,4 +2,3 @@
 /build/
 /build-podman/
 /install/
-/third_party/MD5-conf/conf.h

third_party/CMakeLists.txt

@@ -8,8 +8,8 @@ else()
   set(MD5_BIG_ENDIAN 0)
 endif()
 
-configure_file("MD5-conf/conf.h.in" "${CMAKE_CURRENT_SOURCE_DIR}/MD5-conf/conf.h")
+configure_file("MD5-conf/conf.h.in" "${PROJECT_BINARY_DIR}/MD5-conf/conf.h")
 
-add_library(md5 STATIC MD5/src/md5.h MD5/src/md5.cpp MD5/src/md5_loc.h MD5-conf/conf.h)
-target_include_directories(md5 PRIVATE MD5-conf)
+add_library(md5 STATIC MD5/src/md5.h MD5/src/md5.cpp MD5/src/md5_loc.h)
+target_include_directories(md5 PRIVATE "${PROJECT_BINARY_DIR}/MD5-conf")
 target_include_directories(md5 INTERFACE MD5/src)