(svn r20632) -Cleanup: remove "a few" unneeded includes, and add them to some headers

src/misc/binaryheap.hpp

@@ -12,6 +12,8 @@
 #ifndef  BINARYHEAP_HPP
 #define  BINARYHEAP_HPP
 
+#include "../core/alloc_func.hpp"
+
 /* Enable it if you suspect binary heap doesn't work well */
 #define BINARYHEAP_CHECK 0
 

src/misc/hashtable.hpp

@@ -12,6 +12,8 @@
 #ifndef  HASHTABLE_HPP
 #define  HASHTABLE_HPP
 
+#include "../core/math_func.hpp"
+
 template <class Titem_>
 struct CHashTableSlotT
 {