Fix for hashlib

lib/lib.pri

@@ -11,7 +11,8 @@ unix:!ios:!android {
         -L$${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/libzsync/ -lzsync \
         -L$${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/librcksum/ -lrcksum \
         -L$${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/zlib/ -lz \
-        -L$${PWD}/AppImageUpdate-prebuilt/lib/ -lcpr
+        -L$${PWD}/AppImageUpdate-prebuilt/lib/ -lcpr \
+        -L$${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/hashlib/ -lhashlib
 
     PRE_TARGETDEPS += \
         $${PWD}/AppImageUpdate-prebuilt/src/libappimageupdate.a \
@@ -19,7 +20,8 @@ unix:!ios:!android {
         $${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/libzsync/libzsync.a \
         $${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/librcksum/librcksum.a \
         $${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/zlib/libz.a \
-        $${PWD}/AppImageUpdate-prebuilt/lib/libcpr.a
+        $${PWD}/AppImageUpdate-prebuilt/lib/libcpr.a \
+        $${PWD}/AppImageUpdate-prebuilt/lib/zsync2/lib/hashlib/hashlib.a
 
     LIBS += -lcurl
 }