Fix build errors (#6081)

* Fix build errors

* Remove obsolete flags

Makefile.am

@@ -106,7 +106,7 @@ SUBDIRS += \
 
 AM_CFLAGS = \
 	$(OPTIONAL_MATH_CFLAGS) \
-	$(OPTIONAL_NFACCT_CLFAGS) \
+	$(OPTIONAL_NFACCT_CFLAGS) \
 	$(OPTIONAL_ZLIB_CFLAGS) \
 	$(OPTIONAL_UUID_CFLAGS) \
 	$(OPTIONAL_LIBCAP_LIBS) \

configure.ac

@@ -258,7 +258,7 @@ AC_CHECK_LIB(
     [UV_LIBS="-luv"]
 )
 
-OPTIONAL_UV_CLFAGS="${UV_CFLAGS}"
+OPTIONAL_UV_CFLAGS="${UV_CFLAGS}"
 OPTIONAL_UV_LIBS="${UV_LIBS}"
 
 
@@ -271,7 +271,7 @@ AC_CHECK_LIB(
     [LZ4_LIBS="-llz4"]
 )
 
-OPTIONAL_LZ4_CLFAGS="${LZ4_CFLAGS}"
+OPTIONAL_LZ4_CFLAGS="${LZ4_CFLAGS}"
 OPTIONAL_LZ4_LIBS="${LZ4_LIBS}"
 
 
@@ -284,7 +284,7 @@ AC_CHECK_LIB(
     [JUDY_LIBS="-lJudy"]
 )
 
-OPTIONAL_JUDY_CLFAGS="${JUDY_CFLAGS}"
+OPTIONAL_JUDY_CFLAGS="${JUDY_CFLAGS}"
 OPTIONAL_JUDY_LIBS="${JUDY_LIBS}"
 
 
@@ -334,7 +334,7 @@ AC_CHECK_LIB(
     [SSL_LIBS="-lcrypto -lssl"]
 )
 
-OPTIONAL_SSL_CLFAGS="${SSL_CFLAGS}"
+OPTIONAL_SSL_CFLAGS="${SSL_CFLAGS}"
 OPTIONAL_SSL_LIBS="${SSL_LIBS}"
 
 # -----------------------------------------------------------------------------
@@ -864,12 +864,11 @@ CPPFLAGS="\
 
 AC_SUBST([OPTIONAL_MATH_CFLAGS])
 AC_SUBST([OPTIONAL_MATH_LIBS])
-AC_SUBST([OPTIONAL_RT_CLFAGS])
 AC_SUBST([OPTIONAL_UV_LIBS])
 AC_SUBST([OPTIONAL_LZ4_LIBS])
 AC_SUBST([OPTIONAL_JUDY_LIBS])
 AC_SUBST([OPTIONAL_SSL_LIBS])
-AC_SUBST([OPTIONAL_NFACCT_CLFAGS])
+AC_SUBST([OPTIONAL_NFACCT_CFLAGS])
 AC_SUBST([OPTIONAL_NFACCT_LIBS])
 AC_SUBST([OPTIONAL_ZLIB_CFLAGS])
 AC_SUBST([OPTIONAL_ZLIB_LIBS])