travis: unzip quietly

Helps avoid the following error message:

> The job exceeded the maximum log length, and has been terminated.

(e.g. https://travis-ci.org/github/FWGS/xash3d-fwgs/jobs/751744736)

scripts/travis_android_deps.sh

@@ -8,7 +8,7 @@ git clone --depth 1 --recursive https://github.com/FWGS/hlsdk-xash3d hlsdk || ex
 echo "Download and unpack Android SDK"
 mkdir -p sdk && cd sdk
 wget https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip -qO sdk.zip > /dev/null || exit 1
-unzip -x sdk.zip || exit 1
+unzip -q sdk.zip || exit 1
 cd $TRAVIS_BUILD_DIR
 
 echo "Download all needed tools and NDK"
@@ -20,7 +20,7 @@ fi
 sdk/tools/bin/sdkmanager --install build-tools\;29.0.1 platform-tools platforms\;android-29 $NDK_BUNDLE > /dev/null 2>/dev/null
 if [ "$1" = "r10e" ]; then
 	wget https://dl.google.com/android/repository/android-ndk-r10e-linux-x86_64.zip -qO ndk.zip > /dev/null || exit 1
-	unzip -x ndk.zip || exit 1
+	unzip -q ndk.zip || exit 1
 	mv android-ndk-r10e sdk/ndk-bundle
 fi
 echo "Download Xash3D FWGS Android source"

scripts/travis_linux_deps.sh

@@ -1,4 +1,4 @@
 # SDL2 sources. We will build our own version
 curl http://libsdl.org/release/SDL2-$SDL_VERSION.zip -o SDL2.zip
-unzip -x SDL2.zip
+unzip -q SDL2.zip
 mv SDL2-$SDL_VERSION SDL2_src

scripts/travis_windows_deps.sh

@@ -1,4 +1,4 @@
 # SDL2 for VC prebuilt
 curl http://libsdl.org/release/SDL2-devel-$SDL_VERSION-VC.zip -o SDL2.zip
-unzip SDL2.zip
+unzip -q SDL2.zip
 mv SDL2-$SDL_VERSION SDL2_VC