Add a #ifdef to silence a clang static analyzer false positive warning.

The current (at the time of this writing) version of the `clang` static analyzer is complaing that the `objects` pointer is `NULL`.  This is a false positive warning from the analyzer.

Author: johnezang

JSONKit.m

@@ -744,7 +744,9 @@ - (void)getObjects:(id *)objectsPtr range:(NSRange)range
   NSParameterAssert((objects != NULL) && (count <= capacity));
   if((objectsPtr     == NULL)  && (NSMaxRange(range) > 0UL))   { [NSException raise:NSRangeException format:@"*** -[%@ %@]: pointer to objects array is NULL but range length is %lu", NSStringFromClass([self class]), NSStringFromSelector(_cmd), (unsigned long)NSMaxRange(range)];        }
   if((range.location >  count) || (NSMaxRange(range) > count)) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: index (%lu) beyond bounds (%lu)",                          NSStringFromClass([self class]), NSStringFromSelector(_cmd), (unsigned long)NSMaxRange(range), (unsigned long)count]; }
+#ifndef __clang_analyzer__
   memcpy(objectsPtr, objects + range.location, range.length * sizeof(id));
+#endif
 }
 
 - (id)objectAtIndex:(NSUInteger)objectIndex