Apply post-1.19.3 patches, bump version to 1.19.4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/Makefile b/Makefile
index 9648c9c..da0b04c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 1
 PATCHLEVEL = 19
-SUBLEVEL = 3
+SUBLEVEL = 4
 EXTRAVERSION =
 NAME = Unnamed
 
diff --git a/loginutils/getty.c b/loginutils/getty.c
index 6245665..4c8dd91 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -271,7 +271,9 @@
 #ifdef CMSPAR
 		| CMSPAR  /* mark or space parity */
 #endif
+#ifdef CBAUD
 		| CBAUD   /* (output) baud rate */
+#endif
 #ifdef CBAUDEX
 		| CBAUDEX /* (output) baud rate */
 #endif
diff --git a/modutils/modinfo.c b/modutils/modinfo.c
index 410b6fb..c0910ff 100644
--- a/modutils/modinfo.c
+++ b/modutils/modinfo.c
@@ -13,6 +13,7 @@
 //config:config MODINFO
 //config:	bool "modinfo"
 //config:	default y
+//config:	select PLATFORM_LINUX
 //config:	help
 //config:	  Show information about a Linux Kernel module
 
diff --git a/networking/wget.c b/networking/wget.c
index 6443705..fbb8a2e 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -552,6 +552,7 @@
 	FILE *dfp;                      /* socket to ftp server (data)      */
 	char *proxy = NULL;
 	char *fname_out_alloc;
+	char *redirected_path = NULL;
 	struct host_info server;
 	struct host_info target;
 
@@ -794,8 +795,8 @@
 					bb_error_msg_and_die("too many redirections");
 				fclose(sfp);
 				if (str[0] == '/') {
-					free(target.allocated);
-					target.path = target.allocated = xstrdup(str+1);
+					free(redirected_path);
+					target.path = redirected_path = xstrdup(str+1);
 					/* lsa stays the same: it's on the same server */
 				} else {
 					parse_url(str, &target);
@@ -850,6 +851,7 @@
 	free(server.allocated);
 	free(target.allocated);
 	free(fname_out_alloc);
+	free(redirected_path);
 }
 
 int wget_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 7cabb1d..e0a527e 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -610,7 +610,7 @@
 				int seqlen;
 				char seqbuf[sizeof(int)*3 + 2];
 
-				seqlen = open_read_close("mdev.seq", seqbuf, sizeof(seqbuf-1));
+				seqlen = open_read_close("mdev.seq", seqbuf, sizeof(seqbuf) - 1);
 				if (seqlen < 0) {
 					seq = NULL;
 					break;