cmake: move check for FLB_USE_SIMDUTF for FLB_UNICODE_ENCODER into main if.

Signed-off-by: Phillip Whelan <[email protected]>

Author: pwhelan

CMakeLists.txt

@@ -599,11 +599,10 @@ if(FLB_UTF8_ENCODER)
 endif()
 
 # simdutf
-if (FLB_UNICODE_ENCODER AND NOT FLB_USE_SIMDUTF)
-  message( FATAL_ERROR "FLB_UNICODE_ENCODER requires FLB_USE_SIMDUTF")
-endif()
-
 if(FLB_UNICODE_ENCODER AND FLB_USE_SIMDUTF)
+  if (NOT FLB_USE_SIMDUTF)
+    message(FATAL_ERROR "FLB_UNICODE_ENCODER requires FLB_USE_SIMDUTF")
+  endif()
   enable_language(CXX)
   set (CMAKE_CXX_STANDARD 11)
   add_subdirectory(${FLB_PATH_LIB_SIMDUTF} EXCLUDE_FROM_ALL)