Fixed accidental misprint and compiler error

Author: tlk00

src/bm.h

@@ -4392,7 +4392,7 @@ void bvector<Alloc>::set_range_no_check(bm::id_t left,
         (nblock_left == nblock_right) ? nbit_right :(bm::bits_in_block-1);
 
     bm::gap_word_t tmp_gap_blk[5];
-    tmp_gap_buf[0] = 0; // just to silence GCC warning on uninit var
+    tmp_gap_blk[0] = 0; // just to silence GCC warning on uninit var
 
     // Set bits in the starting block
 
@@ -4466,7 +4466,7 @@ void bvector<Alloc>::clear_range_no_check(bm::id_t left,
         (nblock_left == nblock_right) ? nbit_right : (bm::bits_in_block - 1);
 
     bm::gap_word_t tmp_gap_blk[5];
-    tmp_gap_buf[0] = 0; // just to silence GCC warning on uninit var
+    tmp_gap_blk[0] = 0; // just to silence GCC warning on uninit var
 
     // Set bits in the starting block
     bm::word_t* block;// = blockman_.get_block(nblock_left);