Fix a malloc/free mismatch in pager.c (sqlite3_free() called on a buffer allocated by sqlite3DbMalloc()).

FossilOrigin-Name: 506008f000ba4af0b35da023b8c52f7a3f5033bd

test/capi3.test

@@ -783,6 +783,7 @@ foreach {code english} $code2english {
 }
 
 # Test the error message when a "real" out of memory occurs.
+if { [permutation] != "nofaultsim" } {
 ifcapable memdebug {
   do_test capi3-10-1 {
     sqlite3 db test.db
@@ -821,6 +822,7 @@ ifcapable memdebug {
   db close
   sqlite3_memdebug_fail -1
 }
+}
 
 # The following tests - capi3-11.* - test that a COMMIT or ROLLBACK
 # statement issued while there are still outstanding VMs that are part of