[gexiv2/gexiv2-0.10] Revert "iostream: Fix build with Exiv2 0.27"

[Jens Georg <jensgeorg src gnome org>]

commit 9dc62b0340b4875ed6770dac2c1f24101bc9dd5f
Author: Jens Georg <mail jensge org>
Date:   Tue Nov 20 13:11:16 2018 +0100

    Revert "iostream: Fix build with Exiv2 0.27"
    
    Macro was apparently removed by mistake, should be fixed again on exiv2
    master.
    
    This reverts commit 5e2489daa509dfa4994ac9b35d6e44b675654995.

 gexiv2/gexiv2-stream-io.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gexiv2/gexiv2-stream-io.h b/gexiv2/gexiv2-stream-io.h
index bb4cf2d..4c64739 100644
--- a/gexiv2/gexiv2-stream-io.h
+++ b/gexiv2/gexiv2-stream-io.h
@@ -25,7 +25,7 @@ public:
 
        StreamIo (ManagedStreamCallbacks* cb);
 
-#if EXIV2_MAJOR_VERSION >= 1 || (EXIV2_MAJOR_VERSION == 0 && EXIV2_MINOR_VERSION >= 26)
+#if EXIV2_TEST_VERSION(0,26,0)
     typedef size_t size_type;
 #else
     typedef long size_type;