WaE: -Werror=unused-variable with #define DISABLE_DYNLOADING

and also a leak in that mode with a missing ReleaseStringChars after
GetStringChars in one use, and a use after free in the other use where
ReleaseStringChars is called

Change-Id: I2da0310429daf8519554fd7aaf47bba9f6f0e85c

javaunohelper/source/javaunohelper.cxx

@@ -54,16 +54,16 @@ jboolean Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo(
 {
     bool bRet = false;
 
-    const jchar* pJLibName = pJEnv->GetStringChars( jLibName, NULL );
-    OUString aLibName( pJLibName );
-    pJEnv->ReleaseStringChars( jLibName, pJLibName);
+    const jchar* pJLibName = pJEnv->GetStringChars(jLibName, NULL);
+    OUString aLibName(pJLibName);
+    pJEnv->ReleaseStringChars(jLibName, pJLibName);
 
 #ifdef DISABLE_DYNLOADING
     (void) jSMgr;
     (void) jRegKey;
     (void) loader;
 
-    fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(pJLibName, RTL_TEXTENCODING_JAVA_UTF8).getStr());
+    fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(aLibName, osl_getThreadTextEncoding()).getStr());
 #else
     osl::Module lib(aLibName, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL);
     if (lib.is())
@@ -140,6 +140,8 @@ jobject Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory(
     jobject jSMgr, jobject jRegKey, jobject loader )
 {
     const jchar* pJLibName = pJEnv->GetStringChars(jLibName, NULL);
+    OUString aLibName(pJLibName);
+    pJEnv->ReleaseStringChars(jLibName, pJLibName);
 
 #ifdef DISABLE_DYNLOADING
     (void) jImplName;
@@ -147,12 +149,9 @@ jobject Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory(
     (void) jRegKey;
     (void) loader;
 
-    fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(pJLibName, RTL_TEXTENCODING_JAVA_UTF8).getStr());
+    fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(aLibName, osl_getThreadTextEncoding()).getStr());
 #endif
 
-    OUString aLibName( pJLibName );
-    pJEnv->ReleaseStringChars( jLibName, pJLibName);
-
     aLibName += OUString( SAL_DLLEXTENSION );
 
     jobject joSLL_cpp = 0;