gprs: Fix compiler warnings in sgsn_libgtp.c

  CC       sgsn_libgtp.o
sgsn_libgtp.c: In function ‘create_pdp_conf’:
sgsn_libgtp.c:262:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
  int rc;
      ^
sgsn_libgtp.c: In function ‘cb_data_ind’:
sgsn_libgtp.c:432:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
  int rc;
1 file changed
tree: 0744cfdc10ee38d87508b883ec4889e464c71fe3
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README