Narrowing patch for witty package

fix-narrowing-issue-on-arm.patch

Index: wt-3.3.5-rc2/src/web/base64.cpp
===================================================================
--- wt-3.3.5-rc2.orig/src/web/base64.cpp
+++ wt-3.3.5-rc2/src/web/base64.cpp
@@ -18,24 +18,26 @@ namespace base64
   const char* to_table_end = 
     _to_table + sizeof(_to_table);
 
+  const char _o = (char)(-1);
+
   const char _from_table[128] =
   {
-    -1, -1, -1, -1, -1, -1, -1, -1, // 0
-    -1, -1, -1, -1, -1, -1, -1, -1, // 8
-    -1, -1, -1, -1, -1, -1, -1, -1, // 16
-    -1, -1, -1, -1, -1, -1, -1, -1, // 24
-    -1, -1, -1, -1, -1, -1, -1, -1, // 32
-    -1, -1, -1, 62, -1, -1, -1, 63, // 40
+    _o, _o, _o, _o, _o, _o, _o, _o, // 0
+    _o, _o, _o, _o, _o, _o, _o, _o, // 8
+    _o, _o, _o, _o, _o, _o, _o, _o, // 16
+    _o, _o, _o, _o, _o, _o, _o, _o, // 24
+    _o, _o, _o, _o, _o, _o, _o, _o, // 32
+    _o, _o, _o, 62, _o, _o, _o, 63, // 40
     52, 53, 54, 55, 56, 57, 58, 59, // 48
-    60, 61, -1, -1, -1,  0, -1, -1, // 56
-    -1,  0,  1,  2,  3,  4,  5,  6, // 64
+    60, 61, _o, _o, _o,  0, _o, _o, // 56
+    _o,  0,  1,  2,  3,  4,  5,  6, // 64
      7,  8,  9, 10, 11, 12, 13, 14, // 72
     15, 16, 17, 18, 19, 20, 21, 22, // 80
-    23, 24, 25, -1, -1, -1, -1, -1, // 88
-    -1, 26, 27, 28, 29, 30, 31, 32, // 96
+    23, 24, 25, _o, _o, _o, _o, _o, // 88
+    _o, 26, 27, 28, 29, 30, 31, 32, // 96
     33, 34, 35, 36, 37, 38, 39, 40, // 104
     41, 42, 43, 44, 45, 46, 47, 48, // 112
-    49, 50, 51, -1, -1, -1, -1, -1  // 120
+    49, 50, 51, _o, _o, _o, _o, _o  // 120
   };
   const char* from_table = _from_table;
 }