fix some warnings caused by '-pedantic' compiler flag

- use __typedef__ instead of typedef
- semicolon at the end of the function definition

norefs

Change-Id: Iae8aa04d02fdfa3f808367b339da6f4d9d529392

src/common/heap.c

@@ -60,7 +60,7 @@ int heap_init(struct heap *h, int (*cmp)(void *, void *), int init_size)
 	h->data = malloc((isize + 1) * sizeof(heap_val_t)); /* Temp element unused. */
 
 	return h->data ? 1 : 0;
-};
+}
 
 static inline void _heap_bubble_down(struct heap *h, int e)
 {

src/libknot/common.h

@@ -45,11 +45,11 @@ typedef unsigned int uint; /*!< \brief Unsigned. */
 #if 0 // Disabled due to a conflict with system MIN and MAX on BSDs.
 /*! \brief Type-safe minimum macro. */
 #define MIN(a, b) \
-	({ typeof (a) _a = (a); typeof (b) _b = (b); _a < _b ? _a : _b; })
+	({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
 
 /*! \brief Type-safe maximum macro. */
 #define MAX(a, b) \
-	({ typeof (a) _a = (a); typeof (b) _b = (b); _a > _b ? _a : _b; })
+	({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
 #endif
 
 /* Optimisation macros. */