Update API docs for buffer API call rename

website/api/duk_is_dynamic.txt → website/api/duk_is_dynamic_buffer.txt

@@ -1,5 +1,5 @@
 =proto
-duk_bool_t duk_is_dynamic(duk_context *ctx, duk_idx_t index);
+duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t index);
 
 =stack
 [ ... val! ... ]
@@ -10,7 +10,7 @@ otherwise returns 0.  If <code>index</code> is invalid, also
 returns 0.</p>
 
 =example
-if (duk_is_dynamic(ctx, -3)) {
+if (duk_is_dynamic_buffer(ctx, -3)) {
     /* ... */
 }
 

website/api/duk_is_fixed.txt → website/api/duk_is_fixed_buffer.txt

@@ -1,5 +1,5 @@
 =proto
-duk_bool_t duk_is_fixed(duk_context *ctx, duk_idx_t index);
+duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t index);
 
 =stack
 [ ... val! ... ]
@@ -10,7 +10,7 @@ otherwise returns 0.  If <code>index</code> is invalid, also
 returns 0.</p>
 
 =example
-if (duk_is_fixed(ctx, -3)) {
+if (duk_is_fixed_buffer(ctx, -3)) {
     /* ... */
 }