Reoder things in makefile

src/Makefile

@@ -40,15 +40,15 @@ else
     $(error I don't know how to build for $(BUILD_FOR).)
 endif
 
-JAVA_SOURCES=org/pEp/jniadapter/pEpException.java \
-    org/pEp/jniadapter/AbstractEngine.java \
-    org/pEp/jniadapter/Message.java \
-    org/pEp/jniadapter/Engine.java \
-    org/pEp/jniadapter/Identity.java \
-    org/pEp/jniadapter/_Identity.java \
+JAVA_SOURCES=org/pEp/jniadapter/AbstractEngine.java \
     org/pEp/jniadapter/Blob.java \
+    org/pEp/jniadapter/CommType.java \
+    org/pEp/jniadapter/Identity.java \
     org/pEp/jniadapter/_Blob.java \
-    org/pEp/jniadapter/CommType.java
+    org/pEp/jniadapter/_Identity.java \
+    org/pEp/jniadapter/pEpException.java \
+    org/pEp/jniadapter/Message.java \
+    org/pEp/jniadapter/Engine.java \
 
 C_SOURCES=org_pEp_jniadapter_Engine.cc \
     org_pEp_jniadapter_Engine.h \
@@ -95,12 +95,12 @@ org/pEp/jniadapter/pEpException.java: pEp.yml2 gen_java_exceptions.ysl2
 org/pEp/jniadapter/Message.java: pEp.yml2 gen_java_Message.ysl2 types_java.ysl2
 	$(YML2_PROC) -y gen_java_Message.ysl2 $<
 
-org_pEp_jniadapter_Message.cc: pEp.yml2 gen_cpp_Message.ysl2 types_c.ysl2
-	$(YML2_PROC) -y gen_cpp_Message.ysl2 $<
-
 org/pEp/jniadapter/Engine.java: pEp.yml2 gen_java_Engine.ysl2 types_java.ysl2
 	$(YML2_PROC) -y gen_java_Engine.ysl2 $<
 
+org_pEp_jniadapter_Message.cc: pEp.yml2 gen_cpp_Message.ysl2 types_c.ysl2
+	$(YML2_PROC) -y gen_cpp_Message.ysl2 $<
+
 org_pEp_jniadapter_Engine.cc: pEp.yml2 gen_cpp_Engine.ysl2 types_c.ysl2
 	$(YML2_PROC) -y gen_cpp_Engine.ysl2 $<