[devel] Added an "#ifdef PNG_WRITE_SUPPORTED/#endif" block in pngconf.h
diff --git a/pngconf.h b/pngconf.h
index f9fcceb..86990f4 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -458,7 +458,7 @@
# define PNG_FREE_ME_SUPPORTED
#endif
-#if defined(PNG_READ_SUPPORTED)
+#ifdef PNG_READ_SUPPORTED
#if !defined(PNG_READ_TRANSFORMS_NOT_SUPPORTED) && \
!defined(PNG_NO_READ_TRANSFORMS)
@@ -550,7 +550,7 @@
#endif /* PNG_READ_SUPPORTED */
-#if defined(PNG_WRITE_SUPPORTED)
+#ifdef PNG_WRITE_SUPPORTED
# if !defined(PNG_WRITE_TRANSFORMS_NOT_SUPPORTED) && \
!defined(PNG_NO_WRITE_TRANSFORMS)
@@ -853,6 +853,7 @@
# endif
#endif
+#ifdef PNG_WRITE_SUPPORTED
#ifdef PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#ifdef PNG_NO_WRITE_TEXT
@@ -985,6 +986,7 @@
# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
# endif
#endif
+#endif /* PNG_WRITE_SUPPORTED */
/* Turn this off to disable png_read_png() and
* png_write_png() and leave the row_pointers member