line-log: rename 'new' variables

Rename C++ keyword in order to bring the codebase closer to being able
to be compiled with a C++ compiler.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

line-log.c

@@ -151,29 +151,29 @@ static void range_set_union(struct range_set *out,
 
 	assert(out->nr == 0);
 	while (i < a->nr || j < b->nr) {
-		struct range *new;
+		struct range *new_range;
 		if (i < a->nr && j < b->nr) {
 			if (ra[i].start < rb[j].start)
-				new = &ra[i++];
+				new_range = &ra[i++];
 			else if (ra[i].start > rb[j].start)
-				new = &rb[j++];
+				new_range = &rb[j++];
 			else if (ra[i].end < rb[j].end)
-				new = &ra[i++];
+				new_range = &ra[i++];
 			else
-				new = &rb[j++];
+				new_range = &rb[j++];
 		} else if (i < a->nr)      /* b exhausted */
-			new = &ra[i++];
+			new_range = &ra[i++];
 		else                       /* a exhausted */
-			new = &rb[j++];
-		if (new->start == new->end)
+			new_range = &rb[j++];
+		if (new_range->start == new_range->end)
 			; /* empty range */
-		else if (!out->nr || out->ranges[out->nr-1].end < new->start) {
+		else if (!out->nr || out->ranges[out->nr-1].end < new_range->start) {
 			range_set_grow(out, 1);
-			out->ranges[out->nr].start = new->start;
-			out->ranges[out->nr].end = new->end;
+			out->ranges[out->nr].start = new_range->start;
+			out->ranges[out->nr].end = new_range->end;
 			out->nr++;
-		} else if (out->ranges[out->nr-1].end < new->end) {
-			out->ranges[out->nr-1].end = new->end;
+		} else if (out->ranges[out->nr-1].end < new_range->end) {
+			out->ranges[out->nr-1].end = new_range->end;
 		}
 	}
 }
@@ -696,18 +696,18 @@ static struct line_log_data *line_log_data_merge(struct line_log_data *a,
 static void add_line_range(struct rev_info *revs, struct commit *commit,
 			   struct line_log_data *range)
 {
-	struct line_log_data *old = NULL;
-	struct line_log_data *new = NULL;
+	struct line_log_data *old_line = NULL;
+	struct line_log_data *new_line = NULL;
 
-	old = lookup_decoration(&revs->line_log_data, &commit->object);
-	if (old && range) {
-		new = line_log_data_merge(old, range);
-		free_line_log_data(old);
+	old_line = lookup_decoration(&revs->line_log_data, &commit->object);
+	if (old_line && range) {
+		new_line = line_log_data_merge(old_line, range);
+		free_line_log_data(old_line);
 	} else if (range)
-		new = line_log_data_copy(range);
+		new_line = line_log_data_copy(range);
 
-	if (new)
-		add_decoration(&revs->line_log_data, &commit->object, new);
+	if (new_line)
+		add_decoration(&revs->line_log_data, &commit->object, new_line);
 }
 
 static void clear_commit_line_range(struct rev_info *revs, struct commit *commit)
@@ -1042,12 +1042,12 @@ static int process_diff_filepair(struct rev_info *rev,
 
 static struct diff_filepair *diff_filepair_dup(struct diff_filepair *pair)
 {
-	struct diff_filepair *new = xmalloc(sizeof(struct diff_filepair));
-	new->one = pair->one;
-	new->two = pair->two;
-	new->one->count++;
-	new->two->count++;
-	return new;
+	struct diff_filepair *new_filepair = xmalloc(sizeof(struct diff_filepair));
+	new_filepair->one = pair->one;
+	new_filepair->two = pair->two;
+	new_filepair->one->count++;
+	new_filepair->two->count++;
+	return new_filepair;
 }
 
 static void free_diffqueues(int n, struct diff_queue_struct *dq)