fix ubuntu build

scripts/build-ubuntu-amd64.sh

@@ -2,7 +2,7 @@
 
 git submodule init && git submodule update
 sudo apt-get update
-sudo apt-get install -f -y libopenal-dev g++-multilib gcc-multilib libpng-dev libjpeg-dev libfreetype6-dev libfontconfig1-dev libcurl4-gnutls-dev libsdl2-dev zlib1g-dev libbz2-dev
+sudo apt-get install -f -y libopenal-dev g++-multilib gcc-multilib libpng-dev libjpeg-dev libfreetype6-dev libfontconfig1-dev libcurl4-gnutls-dev libsdl2-dev zlib1g-dev libbz2-dev libedit-dev
 
 ./waf configure -T debug --64bits --disable-warns $* &&
 ./waf build

scripts/build-ubuntu-i386.sh

@@ -3,7 +3,7 @@
 git submodule init && git submodule update
 sudo dpkg --add-architecture i386
 sudo apt-get update
-sudo apt-get install -f -y libopenal-dev:i386 g++-multilib gcc-multilib libpng-dev:i386 libjpeg-dev:i386 libfreetype6-dev:i386 libfontconfig1-dev:i386 libcurl4-gnutls-dev:i386 libsdl2-dev:i386 zlib1g-dev:i386 libbz2-dev:i386
+sudo apt-get install -f -y libopenal-dev:i386 g++-multilib gcc-multilib libpng-dev:i386 libjpeg-dev:i386 libfreetype6-dev:i386 libfontconfig1-dev:i386 libcurl4-gnutls-dev:i386 libsdl2-dev:i386 zlib1g-dev:i386 libbz2-dev:i386 libedit-dev:i386
 
 PKG_CONFIG_PATH=/usr/lib/i386-linux-gnu/pkgconfig ./waf configure -T debug --disable-warns $* &&
 ./waf build