Eliminate gcc -pedantic warnings.

crypto/dso/dso_dl.c

@@ -357,7 +357,12 @@ static int dl_pathbyaddr(void *addr,char *path,int sz)
 	struct shl_descriptor inf;
 	int i,len;
 
-	if (addr == NULL) addr = dl_pathbyaddr;
+	if (addr == NULL)
+		{
+		union	{ int(*f)(void*,char*,int); void *p; } t =
+			{ dl_pathbyaddr };
+		addr = t.p;
+		}
 
 	for (i=-1;shl_get_r(i,&inf)==0;i++)
 		{

crypto/dso/dso_dlfcn.c

@@ -423,7 +423,12 @@ static int dlfcn_pathbyaddr(void *addr,char *path,int sz)
 	Dl_info dli;
 	int len;
 
-	if (addr == NULL) addr = dlfcn_pathbyaddr;
+	if (addr == NULL)
+		{
+		union	{ int(*f)(void*,char*,int); void *p; } t =
+			{ dlfcn_pathbyaddr };
+		addr = t.p;
+		}
 
 	if (dladdr(addr,&dli))
 		{

crypto/dso/dso_win32.c

@@ -635,7 +635,12 @@ static int win32_pathbyaddr(void *addr,char *path,int sz)
 	MODULE32 module_first, module_next;
 	int len;
  
-	if (addr == NULL) addr = win32_pathbyaddr;
+	if (addr == NULL)
+		{
+		union	{ int(*f)(void*,char*,int); void *p; } t =
+			{ win32_pathbyaddr };
+		addr = t.p;
+		}
 
 	dll = LoadLibrary(TEXT(DLLNAME));
 	if (dll == NULL)