Fixes build on armv7

https://bugs.ghostscript.com/show_bug.cgi?id=708831

Index: brotli/c/dec/decode.c
--- brotli/c/dec/decode.c.orig
+++ brotli/c/dec/decode.c
@@ -441,11 +441,12 @@ static BROTLI_INLINE void PreloadSymbol(int safe,
                                         brotli_reg_t* value) {
   if (safe) {
     return;
+  } else {
+    BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(table);
+    BROTLI_HC_ADJUST_TABLE_INDEX(table, BrotliGetBits(br, HUFFMAN_TABLE_BITS));
+    *bits = BROTLI_HC_FAST_LOAD_BITS(table);
+    *value = BROTLI_HC_FAST_LOAD_VALUE(table);
   }
-  BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(table);
-  BROTLI_HC_ADJUST_TABLE_INDEX(table, BrotliGetBits(br, HUFFMAN_TABLE_BITS));
-  *bits = BROTLI_HC_FAST_LOAD_BITS(table);
-  *value = BROTLI_HC_FAST_LOAD_VALUE(table);
 }
 
 /* Decodes the next Huffman code using data prepared by PreloadSymbol.
