*: more uniform naming: s/xmalloc_getline/xmalloc_fgetline/

diff --git a/util-linux/hexdump.c b/util-linux/hexdump.c
index 10c57fd..7630153 100644
--- a/util-linux/hexdump.c
+++ b/util-linux/hexdump.c
@@ -23,7 +23,7 @@
 
 	fp = xfopen(name, "r");
 
-	while ((buf = xmalloc_getline(fp)) != NULL) {
+	while ((buf = xmalloc_fgetline(fp)) != NULL) {
 		p = skip_whitespace(buf);
 
 		if (*p && (*p != '#')) {
@@ -135,7 +135,7 @@
 		char *buf;
 		fp = xfopen(*argv, "r");
  jump_in:
-		while ((buf = xmalloc_getline(fp)) != NULL) {
+		while ((buf = xmalloc_fgetline(fp)) != NULL) {
 			p = buf;
 			while (1) {
 				/* skip address or previous byte */
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 0edaf10..5a8f1d9 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -68,7 +68,7 @@
 		if (!fp)
 			goto end_parse;
 
-		while ((vline = line = xmalloc_getline(fp)) != NULL) {
+		while ((vline = line = xmalloc_fgetline(fp)) != NULL) {
 			int field;
 
 			/* A pristine copy for command execution. */
diff --git a/util-linux/mount.c b/util-linux/mount.c
index bd5f27b..351a31a 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -362,7 +362,7 @@
 		f = fopen(filesystems[i], "r");
 		if (!f) continue;
 
-		while ((buf = xmalloc_getline(f)) != 0) {
+		while ((buf = xmalloc_fgetline(f)) != NULL) {
 			if (!strncmp(buf, "nodev", 5) && isspace(buf[5]))
 				continue;
 			fs = skip_whitespace(buf);