Fix permissions in bunch of projects

allegro5/Makefile

@@ -15,6 +15,7 @@ ubuntu2004:
 	make package-ubuntu2004
 	bash ../ubuntu2004.sh make impl_sdl
 	make package_sdl-ubuntu2004
+	bash ../ubuntu2004.sh chown $$(id -u):$$(id -g) . -R  # fix permissions
 
 prep:
 	apt-get update

fastpfor/Makefile

@@ -13,6 +13,7 @@ ubuntu2004:
 	patch FastPFor/CMakeLists.txt libcpp.patch
 	bash ../ubuntu2004.sh make impl
 	make package-ubuntu2004
+	bash ../ubuntu2004.sh chown $$(id -u):$$(id -g) . -R  # fix permissions
 
 impl:
 	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40

ffmpeg/Makefile

@@ -16,6 +16,7 @@ ubuntu2004:
 	git clone git://source.ffmpeg.org/ffmpeg.git
 	bash ../ubuntu2004.sh make ffmpeg_impl
 	make package-ubuntu2004
+	bash ../ubuntu2004.sh chown $$(id -u):$$(id -g) . -R  # fix permissions
 
 ffmpeg_impl:
 	apt-get update

seasocks/Makefile

@@ -9,6 +9,7 @@ ubuntu2004:
 	git clone https://github.com/rayburgemeestre/seasocks --branch v1.4.3
 	bash ../ubuntu2004.sh make impl
 	make package-ubuntu2004
+	bash ../ubuntu2004.sh chown $$(id -u):$$(id -g) . -R  # fix permissions
 
 impl:
 	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-10 40

sfml/Makefile

@@ -11,6 +11,7 @@ ubuntu2004:
 	pushd SFML && git checkout 2.5.x #  && patch -p1 < ../patch.txt
 	bash ../ubuntu2004.sh make impl
 	make package-ubuntu2004
+	bash ../ubuntu2004.sh chown $$(id -u):$$(id -g) . -R  # fix permissions
 
 impl:
 	# copy & paste from allegro5