Rename .tmpfile -> .tmpfiles.

.SRCINFO

@@ -11,7 +11,7 @@ pkgbase = jackett
 	source = Jackett.Binaries.Mono-0.8.763.tar.gz::https://github.com/Jackett/Jackett/releases/download/v0.8.763/Jackett.Binaries.Mono.tar.gz
 	source = jackett.service
 	source = jackett.sysusers
-	source = jackett.tmpfile
+	source = jackett.tmpfiles
 	sha256sums = fa9882b6d2d415185dbfa2768e09db27f26264983de3b46948ef40b6466f7fad
 	sha256sums = 75837fe04f5afd30cdbdd3349bb27b43994dc672202f886382903f7fbc92dc89
 	sha256sums = d005fcd009ec5404e1ec88246c31e664167f5551d6cabc35f68eb41750bfe590

PKGBUILD

@@ -10,7 +10,7 @@ install='jackett.install'
 source=("Jackett.Binaries.Mono-${pkgver}.tar.gz::https://github.com/Jackett/Jackett/releases/download/v${pkgver}/Jackett.Binaries.Mono.tar.gz"
         "jackett.service"
         "jackett.sysusers"
-        "jackett.tmpfile")
+        "jackett.tmpfiles")
 
 sha256sums=('fa9882b6d2d415185dbfa2768e09db27f26264983de3b46948ef40b6466f7fad'
             '75837fe04f5afd30cdbdd3349bb27b43994dc672202f886382903f7fbc92dc89'
@@ -25,5 +25,5 @@ package() {
 
     install -D -m 644 "${srcdir}/jackett.service" "${pkgdir}/usr/lib/systemd/system/jackett.service"
     install -D -m 644 "${srcdir}/jackett.sysusers" "{$pkgdir}/usr/lib/sysusers.d/jackett.conf"
-    install -D -m 644 "${srcdir}/jackett.tmpfile" "{$pkgdir}/usr/lib/tmpfiles.d/jackett.conf"
+    install -D -m 644 "${srcdir}/jackett.tmpfiles" "{$pkgdir}/usr/lib/tmpfiles.d/jackett.conf"
 }