Bugfix: reverted accidental whitespace change

Author: SebastianApel

ggml.c

@@ -2056,7 +2056,7 @@ static void ggml_vec_dot_q4_0(const int n, float * restrict s, const void * rest
             bx = _mm_sub_epi8( bx, off );
             by = _mm_sub_epi8( by, off );
 
-	        // Get absolute values of x vectors
+            // Get absolute values of x vectors
             const __m128i ax = _mm_sign_epi8(bx, bx);
 
             // Sign the values of the y vectors