fix various autogsdoc warnings and issues

Source/DocMakefile

@@ -325,8 +325,11 @@ Gui_AGSDOC_FLAGS = \
 	-VariablesTemplate TypesAndConstants \
 	-WordMap '{\
 	APPKIT_EXPORT_CLASS="";\
-	APPKIT_EXPORT=extern;APPKIT_DECLARE="";\
-	DEFINE_RINT_IF_MISSING=""; \
+	APPKIT_EXPORT=extern;\
+	APPKIT_DECLARE="";\
+	APPKIT_EXTERN=extern;\
+	DEFINE_RINT_IF_MISSING="";\
+	PACKAGE_SCOPE="";\
 	}' -Up Gui
 
 GuiAdditions_AGSDOC_FLAGS = \

Source/NSAnimation.m

@@ -992,7 +992,7 @@ nsanimation_progressMarkSorter(NSAnimationProgress first, NSAnimationProgress se
   _NSANIMATION_UNLOCK;
 }
 
-- (void) animatorStep: (NSTimeInterval) elapsedTime;
+- (void) animatorStep: (NSTimeInterval) elapsedTime
 {
   NSAnimationProgress progress;
   _NSANIMATION_LOCKING_SETUP;
@@ -1200,7 +1200,7 @@ nsanimation_progressMarkSorter(NSAnimationProgress first, NSAnimationProgress se
   _NSANIMATION_UNLOCK;
 }
 
-- (float) actualFrameRate;
+- (float) actualFrameRate
 { 
   float r;
   _NSANIMATION_LOCKING_SETUP;

Source/NSView.m

@@ -1668,7 +1668,7 @@ static NSSize _computeScale(NSSize fs, NSSize bs)
   return 0.0;
 }
 
-- (void) setFrameCenterRotation:(CGFloat)rot;
+- (void) setFrameCenterRotation:(CGFloat)rot
 {
   // FIXME this is dummy, we don't have layers yet
   // we probably need a Matrix akin frame rotation.
@@ -5211,14 +5211,14 @@ static NSView* findByTag(NSView *view, NSInteger aTag, NSUInteger *level)
   return _contentCompressionResistancePriority;
 }
 
-- (void) setContentCompressionResistancePriority: (NSLayoutPriority)priority;
+- (void) setContentCompressionResistancePriority: (NSLayoutPriority)priority
 {
   _contentCompressionResistancePriority = priority;
 }
 
 - (NSSize) intrinsicContentSize
 {
-  return NSMakeSize(NSViewNoIntrinsicMetric, NSViewNoIntrinsicMetric); 
+  return NSMakeSize(NSViewNoIntrinsicMetric, NSViewNoIntrinsicMetric)
 }
 
 - (CGFloat) baselineOffsetFromBottom