Add SIMD function stubs for h1v2_fancy_upsample

Adds arm, arm64, i386 and x86_64 SIMD function stubs for
h1v2_fancy_upsample.

Arm NEON acceleration for h1v2_fancy_upsample will be added in a
future commit.

Bug: 922430
Change-Id: I93f27230f105ed875c8a656d77e9b760eaefe7d8
diff --git a/jsimd.h b/jsimd.h
index 51e2b8c..33851dc 100644
--- a/jsimd.h
+++ b/jsimd.h
@@ -75,6 +75,7 @@
 
 EXTERN(int) jsimd_can_h2v2_fancy_upsample(void);
 EXTERN(int) jsimd_can_h2v1_fancy_upsample(void);
+EXTERN(int) jsimd_can_h1v2_fancy_upsample(void);
 
 EXTERN(void) jsimd_h2v2_fancy_upsample(j_decompress_ptr cinfo,
                                        jpeg_component_info *compptr,
@@ -84,6 +85,10 @@
                                        jpeg_component_info *compptr,
                                        JSAMPARRAY input_data,
                                        JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h1v2_fancy_upsample(j_decompress_ptr cinfo,
+                                       jpeg_component_info *compptr,
+                                       JSAMPARRAY input_data,
+                                       JSAMPARRAY *output_data_ptr);
 
 EXTERN(int) jsimd_can_h2v2_merged_upsample(void);
 EXTERN(int) jsimd_can_h2v1_merged_upsample(void);