Disable sqlite3_drop_module() tests when virtual tables are omitted from

the build.

FossilOrigin-Name: 9f4035f91a9f914797c67afbf19139b2cd25aea48595f7254fe5d18cd693d972

src/mutex.h

@@ -67,4 +67,5 @@
 #define MUTEX_LOGIC(X)
 #else
 #define MUTEX_LOGIC(X)            X
+int sqlite3_mutex_held(sqlite3_mutex*);
 #endif /* defined(SQLITE_MUTEX_OMIT) */

src/shell.c.in

@@ -9419,7 +9419,7 @@ static int do_meta_command(char *zLine, ShellState *p){
   }else
 #endif /* !defined(SQLITE_OMIT_TRACE) */
 
-#ifdef SQLITE_DEBUG
+#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_VIRTUALTABLE)
   if( c=='u' && strncmp(azArg[0], "unmodule", n)==0 ){
     int ii;
     int lenOpt;

src/test1.c

@@ -1131,7 +1131,9 @@ static int SQLITE_TCLAPI test_drop_modules(
     return TCL_ERROR;
   }
   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
+#ifndef SQLITE_OMIT_VIRTUALTABLE
   sqlite3_drop_modules(db, argc>2 ? (const char**)(argv+2) : 0);
+#endif
   return TCL_OK;
 }