THRIFT-2849: spelling errors fixed using codespell tool

Client: All
Patch: Anatol Pomozov

This closes #281
diff --git a/aclocal/ax_javac_and_java.m4 b/aclocal/ax_javac_and_java.m4
index fdb4bf0..581b450 100644
--- a/aclocal/ax_javac_and_java.m4
+++ b/aclocal/ax_javac_and_java.m4
@@ -7,7 +7,7 @@
 dnl java command tested.  Otherwise, a hard-coded list will be used.
 dnl Similarly for "JAVAC".
 dnl
-dnl AX_JAVAC_AND_JAVA does not currenly support testing for a particular
+dnl AX_JAVAC_AND_JAVA does not currently support testing for a particular
 dnl Java version, testing for only one of "java" and "javac", or
 dnl compiling or running user-provided Java code.
 dnl