[clang-tidy] Rename a local cmake variables to match the new tool name. NFC.

[mstorsjo]

Summary

This shouldn't have any externally visible effect.

This matches the new name from 18b4a8bcf3553174f770f09528c9bd01c8cebfe7.

[mstorsjo]

Ping @sammccall

[mstorsjo]

Ping @sammccall (although I guess I could just go ahead and commit this as it is quite trivial, but as I sent it out for review in the first place...)

[sammccall]

Sorry Martin, I took some time off work and missed this.

clang-tools-extra/clang-tidy/misc/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
   FrontendOpenMP
   Support
   )
 
 set(CLANG_TIDY_CONFUSABLE_CHARS_GEN "clang-tidy-confusable-chars-gen" CACHE
   STRING "Host clang-tidy-confusable-chars-gen executable. Saves building if cross-compiling.")
 
 if(NOT CLANG_TIDY_CONFUSABLE_CHARS_GEN STREQUAL "clang-tidy-confusable-chars-gen")
-  set(make_confusable_table ${CLANG_TIDY_CONFUSABLE_CHARS_GEN})
-  set(make_confusable_table_target ${CLANG_TIDY_CONFUSABLE_CHARS_GEN})
+  set(clang_tidy_confusable_chars_gen ${CLANG_TIDY_CONFUSABLE_CHARS_GEN})
+  set(clang_tidy_confusable_chars_gen_target ${CLANG_TIDY_CONFUSABLE_CHARS_GEN})
 elseif(LLVM_USE_HOST_TOOLS)
-  build_native_tool(clang-tidy-confusable-chars-gen make_confusable_table)
-  set(make_confusable_table_target "${make_confusable_table}")
+  build_native_tool(clang-tidy-confusable-chars-gen clang_tidy_confusable_chars_gen)
+  set(clang_tidy_confusable_chars_gen_target "${clang_tidy_confusable_chars_gen}")
 else()
-  set(make_confusable_table $<TARGET_FILE:clang-tidy-confusable-chars-gen>)
-  set(make_confusable_table_target clang-tidy-confusable-chars-gen)
+  set(clang_tidy_confusable_chars_gen $<TARGET_FILE:clang-tidy-confusable-chars-gen>)
+  set(clang_tidy_confusable_chars_gen_target clang-tidy-confusable-chars-gen)
 endif()
 
 add_subdirectory(ConfusableTable)
 
 
 add_custom_command(
     OUTPUT Confusables.inc
-    COMMAND ${make_confusable_table} ${CMAKE_CURRENT_SOURCE_DIR}/ConfusableTable/confusables.txt ${CMAKE_CURRENT_BINARY_DIR}/Confusables.inc
-    DEPENDS ${make_confusable_table_target} ConfusableTable/confusables.txt)
+    COMMAND ${clang_tidy_confusable_chars_gen} ${CMAKE_CURRENT_SOURCE_DIR}/ConfusableTable/confusables.txt ${CMAKE_CURRENT_BINARY_DIR}/Confusables.inc
+    DEPENDS ${clang_tidy_confusable_chars_gen_target} ConfusableTable/confusables.txt)
 
 add_custom_target(genconfusable DEPENDS Confusables.inc)
 
 add_clang_library(clangTidyMiscModule
   ConstCorrectnessCheck.cpp
   DefinitionsInHeadersCheck.cpp
   ConfusableIdentifierCheck.cpp
   MiscTidyModule.cpp