Patch .gitattributes till UBL line endings are fixed

.gitattributes

 
 # Files with Unix line endings
 *.c   text eol=lf
-*.cpp text eol=lf
+# *.cpp text eol=lf
 *.h   text eol=lf
 *.ino text eol=lf
 *.py  text eol=lf