Add the ability to limit filenames to 8+3 using the
SQLITE_ENABLE_8_3_NAMES compile-time option together with a URI
parameter of "8_3_names=1".

FossilOrigin-Name: 96d609856025919571f781207dfa6a24b1732e8d
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 4a3e45d..6932e0b 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2941,6 +2941,12 @@
 int sqlite3SubInt64(i64*,i64);
 int sqlite3MulInt64(i64*,i64);
 int sqlite3AbsInt32(int);
+#ifdef SQLITE_ENABLE_8_3_NAMES
+void sqlite3FileSuffix3(const char*, char*);
+#else
+# define sqlite3FileSuffix3(X,Y)
+#endif
+u8 sqlite3GetBoolean(const char *z);
 
 const void *sqlite3ValueText(sqlite3_value*, u8);
 int sqlite3ValueBytes(sqlite3_value*, u8);