ggml : fix indentation

ggml.c

@@ -140,9 +140,6 @@ ggml_fp16_t ggml_fp32_to_fp16(float x) {
 #include <immintrin.h>
 #endif
 
-// FP16 <-> FP32
-// ref: https://github.com/Maratyszcza/FP16
-
 #ifdef __F16C__
 float ggml_fp16_to_fp32(ggml_fp16_t h) {
     return _cvtsh_ss(h);
@@ -156,6 +153,9 @@ ggml_fp16_t ggml_fp32_to_fp16(float f) {
 
 #else
 
+// FP16 <-> FP32
+// ref: https://github.com/Maratyszcza/FP16
+
 static inline float fp32_from_bits(uint32_t w) {
     union {
         uint32_t as_bits;