include/ruby/ruby.h: remove a variable tmp_buffer as it does not change
It is no longer used due to beae6cbf0fd8b6619e5212552de98022d4c4d4d4. Coverity Scan found this.
include/ruby/ruby.h: remove a variable tmp_buffer as it does not change
It is no longer used due to beae6cbf0fd8b6619e5212552de98022d4c4d4d4.
Coverity Scan found this.