Correct the fix for the merge conflict

I need to take the code from unity-staging at
8e38872 instead of the code from trunk
to properly handle this merge conflict.

Author: joshpeterson

external/buildscripts/build_runtime_tizen.sh

@@ -7,7 +7,7 @@ BUILDDIR=/$PWD
 OUTDIR=builds/embedruntimes/tizen
 BUILDSCRIPTSDIR=external/buildscripts
 
-#perl ${BUILDSCRIPTSDIR}/PrepareTizenNDK.pl -ndk=2.4.0 -env=envsetup.sh && source envsetup.sh && source ${TIZEN_NDK_ROOT}/tizen-ndk-env.sh
+perl ${BUILDSCRIPTSDIR}/SDKDownloader.pm --repo_name=tizen-sdk --artifacts_folder=artifacts && source artifacts/SDKDownloader/tizen-sdk/env.sh
 
 CXXFLAGS="-Os -DHAVE_ARMV6=1 -DARM_FPU_VFP=1 -D__ARM_EABI__ -march=armv7-a -mfloat-abi=softfp -mfpu=neon -mtune=cortex-a9 \
 -ffunction-sections -fdata-sections -fno-strict-aliasing -fPIC"