Using isSkippableChar instead of '\'' and '-'.

Change-Id: I295a72b683b2ebc28a006baa66baf7e1b97100eb
diff --git a/native/jni/src/proximity_info.h b/native/jni/src/proximity_info.h
index 2f258ef..0d8c6a3 100644
--- a/native/jni/src/proximity_info.h
+++ b/native/jni/src/proximity_info.h
@@ -27,6 +27,11 @@
 
 class Correction;
 
+inline bool isSkippableChar(const uint16_t character) {
+    // TODO: Do not hardcode here
+    return character == '\'' || character == '-';
+}
+
 class ProximityInfo {
  public:
     ProximityInfo(JNIEnv *env, const jstring localeJStr, const int maxProximityCharsSize,