Make sure the journal file is closed when transitioning into MEMORY journal

mode, to avoid an assertion fault in the new sqlite3_randomness() avoidance
code added by [c84e4483cb44f827].

FossilOrigin-Name: 29937081a986d88f495ad48748c35ff5829f0ac31dd4ad3e48d180ae2fcb9a0c

manifest

@@ -1,5 +1,5 @@
-C CLI\sto\scheck\sfor\srare\sprepare\sfailures.\s[forum:/forumpost/5be6395182|See\sforum\spost\s5be6395182.]
-D 2023-10-12T15:12:38.967
+C Make\ssure\sthe\sjournal\sfile\sis\sclosed\swhen\stransitioning\sinto\sMEMORY\sjournal\nmode,\sto\savoid\san\sassertion\sfault\sin\sthe\snew\ssqlite3_randomness()\savoidance\ncode\sadded\sby\s[c84e4483cb44f827].
+D 2023-10-12T17:41:18.510
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -701,7 +701,7 @@ F src/os_setup.h 6011ad7af5db4e05155f385eb3a9b4470688de6f65d6166b8956e58a3d87210
 F src/os_unix.c 2e8b12107f75d1bd16412f312b4c5d5103191807a37836d3b81beb26436ad81b
 F src/os_win.c 4a50a154aeebc66a1f8fb79c1ff6dd5fe3d005556533361e0d460d41cb6a45a8
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
-F src/pager.c bbd9b93c014679d8148235cc42b73bebda3f598d4f63a63cf7723ddf3087fd58
+F src/pager.c 4aa388e47138551c83ae265e2efd4e01f0aa5afb6a958f45579658847b3430ff
 F src/pager.h f4d33fec8052603758792045493423b8871a996da2d0973927b7d36cd6070473
 F src/parse.y aeb7760d41cfa86465e3adba506500c021597049fd55f82a30e5b7045862c28c
 F src/pcache.c 040b165f30622a21b7a9a77c6f2e4877a32fb7f22d4c7f0d2a6fa6833a156a75
@@ -2128,8 +2128,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P c11394b50d0687b6d6abad9c80d5cd3cdce77e9b9c278f40601c460f463744a1
-R 5ae72ce81eda772829c7d27c1ea987e3
-U larrybr
-Z 19dab31d5c5256d717b8a79b7d715525
+P 286d1e8012a5f5d9e1fe6dce1a732f725b8a1837f66daf6aefb792e19e96f2d4
+R 63c272f1ac84380bbc1d2409b6f281ca
+U drh
+Z 6db7b813ea2dc81e78e187c7332821c2
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-286d1e8012a5f5d9e1fe6dce1a732f725b8a1837f66daf6aefb792e19e96f2d4
+29937081a986d88f495ad48748c35ff5829f0ac31dd4ad3e48d180ae2fcb9a0c

src/pager.c

@@ -7369,7 +7369,7 @@ int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){
         }
         assert( state==pPager->eState );
       }
-    }else if( eMode==PAGER_JOURNALMODE_OFF ){
+    }else if( eMode==PAGER_JOURNALMODE_OFF || eMode==PAGER_JOURNALMODE_MEMORY ){
       sqlite3OsClose(pPager->jfd);
     }
   }