typo fix

Author: martin-frbg

common_arm64.h

@@ -162,9 +162,9 @@ static inline int blas_quickdivide(blasint x, blasint y){
 #define HUGE_PAGESIZE   ( 4 << 20)
 
 #ifndef BUFFERSIZE
-if defined(NEOVERSEN1) || defined(NEOVERSEN2) || defined(NEOVERSEV1) || defined(A64FX) || defined(ARMV8SVE)
+#if defined(NEOVERSEN1) || defined(NEOVERSEN2) || defined(NEOVERSEV1) || defined(A64FX) || defined(ARMV8SVE)
 #define BUFFER_SIZE     (32 << 22)
-else
+#else
 #define BUFFER_SIZE     (32 << 20)
 #endif
 #else