fix: windows Ninja same target name

Author: BedRockJie

CMakeLists.txt

@@ -20,9 +20,8 @@ if(ARGPARSE_SHARED)
 	set_target_properties(argparse_shared PROPERTIES OUTPUT_NAME argparse)
 endif()
 if(ARGPARSE_STATIC)
-	add_library(argparse STATIC ${sources})
-	target_include_directories(argparse PUBLIC .)
-endif()
-if(NOT (ARGPARSE_STATIC OR ARGPARSE_SHARED))
-	add_library(argparse OBJECT ${sources})
+	add_library(argparse_static STATIC ${sources})
+	target_include_directories(argparse_static PUBLIC .)
+	set_target_properties(argparse_static PROPERTIES OUTPUT_NAME argparse_static)
 endif()
+