Issue handling \ in single statement blocks

[rmbishop]

The following valid program will be incorrectly instrumented:

int f1()
{
  int x = 0;
  if(1)
    x++;
\
}

This will become

#include <tc_inst_decl.h>
int doit()
{
  unsigned int tc_cov_offset_0, tc_temp_cond_0, tc_temp_dec_0;
  int x = 0;
  COV_STATEMENT(0);
  if(INST_SINGLE(0,1,(1)))
    {COV_STATEMENT(2);
    x++;
\}
}

Notice "\}". The \ is stray, and causes a parser error. Need to a newline before the inserted closing "}"

[rmbishop]

Update merged into main