Data.Macaw.Memory.ElfLoader: fix overlapping section and program header error

This error is caused by a bug in the IntervalMap implementation prior to
0.6.2, which had inconsistent semantics for empty intervals
(see: bokesan/IntervalMap#9)

fixes #302

Author: danmatichuk

base/macaw-base.cabal

@@ -38,7 +38,7 @@ library
     exceptions,
     filepath,
     galois-dwarf >= 0.2.2,
-    IntervalMap >= 0.5,
+    IntervalMap >= 0.6.2.0,
     lens >= 4.7,
     mtl,
     panic,