Show number of changed files in log view

This uses the new tree-diff functions to calculate number of files
changed per commit.

Also fix some whitespace issues.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

ui-log.c

@@ -8,6 +8,13 @@
 
 #include "cgit.h"
 
+int files, lines;
+
+void inspect_files(struct diff_filepair *pair)
+{
+	files++;
+}
+
 void print_commit(struct commit *commit)
 {
 	char buf[32];
@@ -17,7 +24,7 @@ void print_commit(struct commit *commit)
 	info = cgit_parse_commit(commit);
 	time = gmtime(&commit->date);
 	html("<tr><td>");
-	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
+	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M", time);
 	html_txt(buf);
 	html("</td><td>");
 	char *qry = fmt("id=%s", sha1_to_hex(commit->object.sha1));
@@ -25,6 +32,11 @@ void print_commit(struct commit *commit)
 	html_link_open(url, NULL, NULL);
 	html_ntxt(cgit_max_msg_len, info->subject);
 	html_link_close();
+	html("</td><td class='right'>");
+	files = 0;
+	lines = 0;
+	cgit_diff_commit(commit, inspect_files);
+	htmlf("%d", files);
 	html("</td><td>");
 	html_txt(info->author);
 	html("</td></tr>\n");
@@ -39,7 +51,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
 	const char *argv[3] = {NULL, tip, NULL};
 	int argc = 2;
 	int i;
-	
+
 	if (grep)
 		argv[argc++] = fmt("--grep=%s", grep);
 	init_revisions(&rev, NULL);
@@ -57,6 +69,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep)
 	html("<table class='list nowrap'>");
 	html("<tr class='nohover'><th class='left'>Date</th>"
 	     "<th class='left'>Message</th>"
+	     "<th class='left'>Files</th>"
 	     "<th class='left'>Author</th></tr>\n");
 
 	if (ofs<0)