fix false warnings

src/mat_pixel_resize.cpp

@@ -391,7 +391,7 @@ void resize_bilinear_c2(const unsigned char* src, int srcw, int srch, unsigned c
 #if __ARM_NEON
                 int16x4_t _a0a1XX = vld1_s16(ialphap);
                 int16x4_t _a0a0a1a1 = vzip_s16(_a0a1XX, _a0a1XX).val[0];
-                uint8x8_t _S1;
+                uint8x8_t _S1 = uint8x8_t();
                 _S1 = vreinterpret_u8_u32(vld1_lane_u32((const unsigned int*)S1p, vreinterpret_u32_u8(_S1), 0));
                 int16x8_t _S116 = vreinterpretq_s16_u16(vmovl_u8(_S1));
                 int16x4_t _S1lowhigh = vget_low_s16(_S116);
@@ -432,8 +432,8 @@ void resize_bilinear_c2(const unsigned char* src, int srcw, int srch, unsigned c
 #if __ARM_NEON
                 int16x4_t _a0 = vdup_n_s16(a0);
                 int16x4_t _a1 = vdup_n_s16(a1);
-                uint8x8_t _S0;
-                uint8x8_t _S1;
+                uint8x8_t _S0 = uint8x8_t();
+                uint8x8_t _S1 = uint8x8_t();
                 _S0 = vreinterpret_u8_u32(vld1_lane_u32((const unsigned int*)S0p, vreinterpret_u32_u8(_S0), 0));
                 _S1 = vreinterpret_u8_u32(vld1_lane_u32((const unsigned int*)S1p, vreinterpret_u32_u8(_S1), 0));
                 int16x8_t _S016 = vreinterpretq_s16_u16(vmovl_u8(_S0));
@@ -689,7 +689,7 @@ void resize_bilinear_c3(const unsigned char* src, int srcw, int srch, unsigned c
 #if __ARM_NEON
                 int16x4_t _a0 = vdup_n_s16(a0);
                 int16x4_t _a1 = vdup_n_s16(a1);
-                uint8x8_t _S1;
+                uint8x8_t _S1 = uint8x8_t();
                 _S1 = vreinterpret_u8_u32(vld1_lane_u32((const unsigned int*)S1p, vreinterpret_u32_u8(_S1), 0));
                 _S1 = vreinterpret_u8_u16(vld1_lane_u16((const unsigned short*)(S1p+4), vreinterpret_u16_u8(_S1), 2));
                 int16x8_t _S116 = vreinterpretq_s16_u16(vmovl_u8(_S1));
@@ -729,8 +729,8 @@ void resize_bilinear_c3(const unsigned char* src, int srcw, int srch, unsigned c
 #if __ARM_NEON
                 int16x4_t _a0 = vdup_n_s16(a0);
                 int16x4_t _a1 = vdup_n_s16(a1);
-                uint8x8_t _S0;
-                uint8x8_t _S1;
+                uint8x8_t _S0 = uint8x8_t();
+                uint8x8_t _S1 = uint8x8_t();
                 _S0 = vreinterpret_u8_u32(vld1_lane_u32((const unsigned int*)S0p, vreinterpret_u32_u8(_S0), 0));
                 _S1 = vreinterpret_u8_u32(vld1_lane_u32((const unsigned int*)S1p, vreinterpret_u32_u8(_S1), 0));
                 _S0 = vreinterpret_u8_u16(vld1_lane_u16((const unsigned short*)(S0p+4), vreinterpret_u16_u8(_S0), 2));