PackChk v1.3.87: check whether <url> tag ends with a '/'

changed M316 to WARNING

CMSIS/Utilities/Linux-gcc-4.4.4/PackChk

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:468b3456c1d933a9374827fbcae465a10a99786f6717752f4e14b412fb168e16
-size 1486204
+oid sha256:4baee080a2bcbdf641368be899ff95021761811efea3a055146e74a4066f7850
+size 1502642

CMSIS/Utilities/Linux-gcc-4.8.3/PackChk

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2f268cab461afc106508c6b1b923ac5863a952e04ed26c22be6055b0c2bc3acf
-size 1490348
+oid sha256:89eb2ba970fa0c86a98cd203f502a12d40bbef249b86829fa299ae3a6e8f3b32
+size 1499395

CMSIS/Utilities/Win32/PackChk.exe

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:318b9168cdd13c0e38465c83ed0e0f2091f1bf5875f26c4912d10eb372bf781b
-size 2806712
+oid sha256:ecdd0baa82588538b59e1b07594344b3a23d41e4546dd3492aa765d37a95d427
+size 2822016