proc_bsr: fix typo

srsue/src/stack/mac/proc_bsr.cc

@@ -129,7 +129,7 @@ uint32_t bsr_proc::get_buffer_state()
   return buffer;
 }
 
-// Checks if data is available for a a channel with higher priority than others
+// Checks if data is available for a channel with higher priority than others
 bool bsr_proc::check_highest_channel()
 {
   for (int i = 0; i < NOF_LCG; i++) {
@@ -170,7 +170,7 @@ bool bsr_proc::check_new_data()
 {
   for (int i = 0; i < NOF_LCG; i++) {
     // If there was no data available in any LCID belonging to this LCG
-    if (!get_buffer_state_lcg(i)) {
+    if (get_buffer_state_lcg(i) == 0) {
       for (std::map<uint32_t, lcid_t>::iterator iter = lcgs[i].begin(); iter != lcgs[i].end(); ++iter) {
         if (iter->second.new_buffer > 0) {
           Debug("BSR:   New data available for lcid=%d\n", iter->first);