more -Wall warning fixes from Cristian Ionescu-Idbohrn.

This time it resulted in small code changes:

function                                             old     new   delta
nexpr                                                820     828      +8
tail_main                                           1200    1202      +2
wrapf                                                166     167      +1
parse_mount_options                                  227     209     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18)             Total: -7 bytes

1 files changed, 4 insertions, 4 deletions

diff --git a/coreutils/cut.c b/coreutils/cut.c
index 7a44d10..1634fc8 100644
--- a/coreutils/cut.c
+++ b/coreutils/cut.c
@@ -64,7 +64,7 @@ static void cut_file(FILE *file, char delim)
 			/* print the chars specified in each cut list */
 			for (; cl_pos < nlists; cl_pos++) {
 				spos = cut_lists[cl_pos].startpos;
-				while (spos < strlen(line)) {
+				while (spos < (int)strlen(line)) {
 					if (!printed[spos]) {
 						printed[spos] = 'X';
 						putchar(line[spos]);
@@ -80,12 +80,12 @@ static void cut_file(FILE *file, char delim)
 
 			/* get out if we have no more lists to process or if the lines
 			 * are lower than what we're interested in */
-			if (linenum < spos || cl_pos >= nlists)
+			if (((int)linenum < spos) || (cl_pos >= nlists))
 				goto next_line;
 
 			/* if the line we're looking for is lower than the one we were
 			 * passed, it means we displayed it already, so move on */
-			while (spos < linenum) {
+			while (spos < (int)linenum) {
 				spos++;
 				/* go to the next list if we're at the end of this one */
 				if (spos > cut_lists[cl_pos].endpos
@@ -97,7 +97,7 @@ static void cut_file(FILE *file, char delim)
 					spos = cut_lists[cl_pos].startpos;
 					/* get out if the current line is lower than the one
 					 * we just became interested in */
-					if (linenum < spos)
+					if ((int)linenum < spos)
 						goto next_line;
 				}
 			}