Update install-esp-idf.sh

Author: Jason2866

tools/install-esp-idf.sh

@@ -63,7 +63,7 @@ elif [ "$IDF_COMMIT" ]; then
     git rm -r $IDF_PATH/components/spiffs
     git commit -m "delete components SPIFFS and wifi-provisioning"
     git cherry-pick 138e9bb239c6902d7949f6902143e4981a4f9e86
-	cd -
+    cd -
     commit_predefined="1"
 fi