#34610 Fix invalid range "t-5" in string transliteration [iOS] (#34636)

Summary:
Fix invalid range "t-5" in string transliteration [iOS] for M1 pod install issue.

This should fix pod install error for M1 machines.

## Changelog
[iOS] [Fixed] - Fix ios pod install error

Pull Request resolved: #34636

Test Plan: Run pod install on M1 machine.

Reviewed By: sammy-SC

Differential Revision: D39423276

Pulled By: cipolleschi

fbshipit-source-id: 4ec95af7103395792facba0f93fd8de05a3fe78d

scripts/cocoapods/utils.rb

@@ -139,10 +139,12 @@ def self.fix_library_search_path(config)
             return
         end
 
-        # $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME) causes problem with Xcode 12.5 + arm64 (Apple M1)
-        # since the libraries there are only built for x86_64 and i386.
-        lib_search_paths.delete("$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)")
-        lib_search_paths.delete("\"$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)\"")
+        if lib_search_paths.include?("$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)") || lib_search_paths.include?("\"$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)\"")
+            # $(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME) causes problem with Xcode 12.5 + arm64 (Apple M1)
+            # since the libraries there are only built for x86_64 and i386.
+            lib_search_paths.delete("$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)")
+            lib_search_paths.delete("\"$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)\"")
+        end
 
         if !(lib_search_paths.include?("$(SDKROOT)/usr/lib/swift") || lib_search_paths.include?("\"$(SDKROOT)/usr/lib/swift\""))
             # however, $(SDKROOT)/usr/lib/swift is required, at least if user is not running CocoaPods 1.11