Rename formats-util.h to format-util.h

We don't have plural in the name of any other -util files and this
inconsistency trips me up every time I try to type this file name
from memory. "formats-util" is even hard to pronounce.

src/libsystemd/sd-bus/bus-creds.c

@@ -30,7 +30,7 @@
 #include "cgroup-util.h"
 #include "fd-util.h"
 #include "fileio.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "hexdecoct.h"
 #include "parse-util.h"
 #include "process-util.h"

src/libsystemd/sd-bus/bus-dump.c

@@ -25,7 +25,7 @@
 #include "cap-list.h"
 #include "capability-util.h"
 #include "fileio.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "locale-util.h"
 #include "macro.h"
 #include "string-util.h"

src/libsystemd/sd-bus/bus-kernel.c

@@ -42,7 +42,7 @@
 #include "capability-util.h"
 #include "fd-util.h"
 #include "fileio.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "memfd-util.h"
 #include "parse-util.h"
 #include "stdio-util.h"

src/libsystemd/sd-bus/bus-socket.c

@@ -30,7 +30,7 @@
 #include "bus-message.h"
 #include "bus-socket.h"
 #include "fd-util.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "hexdecoct.h"
 #include "macro.h"
 #include "missing.h"

src/libsystemd/sd-bus/test-bus-chat.c

@@ -30,7 +30,7 @@
 #include "bus-match.h"
 #include "bus-util.h"
 #include "fd-util.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "log.h"
 #include "macro.h"
 #include "util.h"

src/libsystemd/sd-login/sd-login.c

@@ -31,7 +31,7 @@
 #include "escape.h"
 #include "fd-util.h"
 #include "fileio.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "fs-util.h"
 #include "hostname-util.h"
 #include "io-util.h"

src/libsystemd/sd-login/test-login.c

@@ -24,7 +24,7 @@
 
 #include "alloc-util.h"
 #include "fd-util.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "string-util.h"
 #include "strv.h"
 #include "util.h"

src/libsystemd/sd-netlink/netlink-message.c

@@ -24,7 +24,7 @@
 #include "sd-netlink.h"
 
 #include "alloc-util.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "missing.h"
 #include "netlink-internal.h"
 #include "netlink-types.h"

src/libsystemd/sd-netlink/netlink-socket.c

@@ -24,7 +24,7 @@
 #include "sd-netlink.h"
 
 #include "alloc-util.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "missing.h"
 #include "netlink-internal.h"
 #include "netlink-types.h"

src/libsystemd/sd-netlink/rtnl-message.c

@@ -23,7 +23,7 @@
 
 #include "sd-netlink.h"
 
-#include "formats-util.h"
+#include "format-util.h"
 #include "missing.h"
 #include "netlink-internal.h"
 #include "netlink-types.h"