miner: fix addPackageTxs unsigned integer overflow

src/node/miner.cpp

@@ -397,8 +397,8 @@ void BlockAssembler::addPackageTxs(int& nPackagesSelected, int& nDescendantsUpda
 
             ++nConsecutiveFailed;
 
-            if (nConsecutiveFailed > MAX_CONSECUTIVE_FAILURES && nBlockWeight >
+            if (nConsecutiveFailed > MAX_CONSECUTIVE_FAILURES && nBlockWeight +
-                    m_options.nBlockMaxWeight - BLOCK_FULL_ENOUGH_WEIGHT_DELTA) {
+                    BLOCK_FULL_ENOUGH_WEIGHT_DELTA > m_options.nBlockMaxWeight) {
                 // Give up if we're close to full and haven't succeeded in a while
                 break;
             }