Added suppor /and fix things for SunOS port

git-svn-id: https://svn.pjsip.org/repos/pjproject/main@2 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/build/m-alpha.mak b/build/m-alpha.mak
index 90b7606..f1c7502 100644
--- a/build/m-alpha.mak
+++ b/build/m-alpha.mak
@@ -1,4 +1,4 @@
-export M_CFLAGS := $(CC_DEF)PJ_M_ALPHA=1

-export M_CXXFLAGS :=

-export M_LDFLAGS :=

-export M_SOURCES :=

+export M_CFLAGS := $(CC_DEF)PJ_M_ALPHA=1
+export M_CXXFLAGS :=
+export M_LDFLAGS :=
+export M_SOURCES :=