Import "Fix some typos (it's vs its)" (#175)

Summary:
Original author: noahsark769

Closes https://github.com/facebook/Sonar/pull/175

Reviewed By: jknoxville

Differential Revision: D8989724

fbshipit-source-id: 8e1c09196b0c6c0d0fb0446a2a4a595d09f21652

libs/fbjni/cxx/fbjni/detail/CoreClasses.h

@@ -83,7 +83,7 @@ bool isSameObject(alias_ref<JObject> lhs, alias_ref<JObject> rhs) noexcept;
 //
 // While users of a JavaClass-type can lookup methods and fields through the
 // underlying JClass, those calls can only be checked at runtime. It is recommended
-// that the JavaClass-type instead explicitly expose it's methods as in the example
+// that the JavaClass-type instead explicitly expose its methods as in the example
 // above.
 
 namespace detail {

libs/fbjni/cxx/fbjni/detail/Meta.h

@@ -33,7 +33,7 @@
 namespace facebook {
 namespace jni {
 
-// This will get the reflected Java Method from the method_id, get it's invoke
+// This will get the reflected Java Method from the method_id, get its invoke
 // method, and call the method via that. This shouldn't ever be needed, but
 // Android 6.0 crashes when calling a method on a java.lang.Proxy via jni.
 template <typename... Args>

libs/fbjni/cxx/fbjni/fbjni.cpp

@@ -104,7 +104,7 @@ local_ref<JString> make_jstring(const char* utf8) {
     // The only difference between utf8 and modifiedUTF8 is in encoding 4-byte UTF8 chars
     // and '\0' that is encoded on 2 bytes.
     //
-    // Since modifiedUTF8-encoded string can be no shorter than it's UTF8 conterpart we
+    // Since modifiedUTF8-encoded string can be no shorter than its UTF8 conterpart we
     // know that if those two strings are of the same length we don't need to do any
     // conversion -> no 4-byte chars nor '\0'.
     result = env->NewStringUTF(utf8);