make : fix indentation

Author: cebtenzzre

Makefile

@@ -199,10 +199,10 @@ ifeq ($(CC_IS_CLANG), 1)
 	TTFS_CXXFLAGS    += -Wno-missing-prototypes
 
 	ifneq '' '$(and $(CC_IS_LLVM_CLANG),$(filter 1,$(shell expr $(CC_VER) \>= 030800)))'
-		 MK_CFLAGS += -Wdouble-promotion
+		MK_CFLAGS += -Wdouble-promotion
 	endif
 	ifneq '' '$(and $(CC_IS_APPLE_CLANG),$(filter 1,$(shell expr $(CC_VER) \>= 070300)))'
-		 MK_CFLAGS += -Wdouble-promotion
+		MK_CFLAGS += -Wdouble-promotion
 	endif
 else
 	# gcc options