buildbot: let see all the errors

.travis.yml

@@ -42,4 +42,4 @@ before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then curl -O -L https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-2.0.1.dmg; hdiutil attach SDL2_mixer-2.0.1.dmg; sudo cp -a /Volumes/SDL2_mixer/SDL2_mixer.framework /Library/Frameworks/; fi
   - mkdir -p $HOME/srb2_cache
 
-script: make
+script: make -k

appveyor.yml

@@ -51,7 +51,7 @@ before_build:
 
 build_script:
 - cmd: mingw32-make.exe %SRB2_MFLAGS% %CONFIGURATION%=1 clean
-- cmd: mingw32-make.exe %SRB2_MFLAGS% %CONFIGURATION%=1 ERRORMODE=1
+- cmd: mingw32-make.exe %SRB2_MFLAGS% %CONFIGURATION%=1 ERRORMODE=1 -k
 
 after_build:
 - ccache -s