pglobal: Avoid ambiguous else

Addresses this warning:

  [ 68%] Building C object CMakeFiles/pglobal.dir/pglobal.c.o
  /home/acme/git/pahole/pglobal.c: In function ‘extvar__add’:
  /home/acme/git/pahole/pglobal.c:92:11: error: suggest explicit braces to avoid ambiguous ‘else’ [-Werror=dangling-else]
     else if (*nodep != gvar)
             ^
  cc1: all warnings being treated as errors

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 file changed