build-info : fix newlines correctly

Why call 'echo' and then strip the newline from its output?

Author: cebtenzzre

scripts/build-info.sh

@@ -3,21 +3,21 @@
 BUILD_NUMBER="0"
 BUILD_COMMIT="unknown"
 
-REV_LIST=$(git rev-list --count HEAD)
+# git is broken on WSL so we need to strip extra newlines
+REV_LIST=$(git rev-list --count HEAD | tr -d '\n')
 if [ $? -eq 0 ]; then
   BUILD_NUMBER=$REV_LIST
 fi
 
-REV_PARSE=$(git rev-parse --short HEAD)
+REV_PARSE=$(git rev-parse --short HEAD | tr -d '\n')
 if [ $? -eq 0 ]; then
   BUILD_COMMIT=$REV_PARSE
 fi
 
 echo "#ifndef BUILD_INFO_H"
 echo "#define BUILD_INFO_H"
-echo ""
-echo "#define BUILD_NUMBER $BUILD_NUMBER" | tr -d '\n'
-echo ""
-echo "#define BUILD_COMMIT \"$BUILD_COMMIT\"" | tr -d '\n'
-echo ""
+echo
+echo "#define BUILD_NUMBER $BUILD_NUMBER"
+echo "#define BUILD_COMMIT \"$BUILD_COMMIT\""
+echo
 echo "#endif // BUILD_INFO_H"