Makefile: fix a typo: PLATFORM_CFLAGS to PLATFORM_CCFLAGS (#11348)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/11348

Reviewed By: hx235

Differential Revision: D44774863

Pulled By: ajkr

fbshipit-source-id: ba4bd959650228a71fca6bf62840ae9d7373d6f0

Makefile

@@ -337,7 +337,7 @@ ifneq ($(MACHINE), arm64)
 # linking with jemalloc (as it won't be arm64-compatible) and remove some other options
 # set during platform detection
 DISABLE_JEMALLOC=1
-PLATFORM_CFLAGS := $(filter-out -march=native -DHAVE_SSE42 -DHAVE_AVX2, $(PLATFORM_CFLAGS))
+PLATFORM_CCFLAGS := $(filter-out -march=native -DHAVE_SSE42 -DHAVE_AVX2, $(PLATFORM_CCFLAGS))
 PLATFORM_CXXFLAGS := $(filter-out -march=native -DHAVE_SSE42 -DHAVE_AVX2, $(PLATFORM_CXXFLAGS))
 endif
 endif