[devel] Removed recently removed function names from scripts/*.def

and removed the deprecated png_check_sig() function.

scripts/pngwin.def

@@ -73,8 +73,6 @@ EXPORTS
   png_get_y_offset_pixels
   png_get_y_pixels_per_meter
   png_malloc
-  png_memcpy_check
-  png_memset_check
   png_process_data
   png_progressive_combine_row
   png_read_end
@@ -99,7 +97,6 @@ EXPORTS
   png_set_compression_strategy
   png_set_compression_window_bits
   png_set_crc_action
-  png_set_dither
   png_set_error_fn
   png_set_expand
   png_set_filler
@@ -171,9 +168,7 @@ EXPORTS
   png_convert_to_rfc1123
   png_set_invalid
 ; Added at version 1.0.12
-  png_read_init_3
-  png_write_init_3
-  png_info_init_3
+%12_%  png_info_init_3
   png_destroy_struct
 ; Added at version 1.2.0
 ; For use with PNG_USER_MEM_SUPPORTED
@@ -184,17 +179,6 @@ EXPORTS
   png_free_default
 ; MNG features
   png_permit_mng_features
-; MMX support
-; png_mmx_support
-; png_get_mmx_flagmask
-; png_get_asm_flagmask
-; png_get_asm_flags
-; png_get_mmx_bitdepth_threshold
-; png_get_mmx_rowbytes_threshold
-; png_set_asm_flags
-; png_init_mmx_flags
-; Strip error numbers
-  png_set_strip_error_numbers
 ; Added at version 1.2.2
   png_handle_as_unknown
 ; Added at version 1.2.2 and deleted from 1.2.3
@@ -208,11 +192,8 @@ EXPORTS
 ; Added at version 1.2.7
   png_set_add_alpha
 ; Added at version 1.2.9
-  png_get_uint_32
   png_save_uint_32
-  png_get_uint_16
   png_save_uint_16
-  png_get_int_32
   png_save_int_32
   png_get_uint_31
   png_set_expand_gray_1_2_4_to_8