Replace usage of deprecated EWAHCompressedBitmap.add(long)

The add(long) method was deprecated in favor of addWord(long) in
the 0.8.3 release of JavaEWAH [1].

[1] https://github.com/lemire/javaewah/commit/e443cf5e

Change-Id: I89c397ed02e040f57663d04504399dfdc0889626
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BitSet.java

 			}
 
 			if (lastNonEmptyWord != 0)
-				compressed.add(lastNonEmptyWord);
+				compressed.addWord(lastNonEmptyWord);
 
 			if (runningEmptyWords > 0) {
 				compressed.addStreamOfEmptyWords(false, runningEmptyWords);
 		}
 		int bitsThatMatter = 64 - Long.numberOfLeadingZeros(lastNonEmptyWord);
 		if (bitsThatMatter > 0)
-			compressed.add(lastNonEmptyWord, bitsThatMatter);
+			compressed.addWord(lastNonEmptyWord, bitsThatMatter);
 		return compressed;
 	}
 

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BitmapIndexImpl.java

 				true, sizeInBits / EWAHCompressedBitmap.WORD_IN_BITS);
 		int remaining = sizeInBits % EWAHCompressedBitmap.WORD_IN_BITS;
 		if (remaining > 0)
-			mask.add((1L << remaining) - 1, remaining);
+			mask.addWord((1L << remaining) - 1, remaining);
 		return mask;
 	}
 }