Fix FTBFS with stricter C++11

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 6494172e98)

tderesources/groupwise/soap/stdsoap2.cpp

@@ -7362,7 +7362,7 @@ soap_string_in(struct soap *soap, int flag, long minlen, long maxlen)
         }
         *s++ = '/';
         break;
-      case '<' | 0x80000000:
+      case (soap_wchar)('<' | 0x80000000):
         if (flag)
           *s++ = '<';
         else
@@ -7371,7 +7371,7 @@ soap_string_in(struct soap *soap, int flag, long minlen, long maxlen)
 	  m = 3;
         }
         break;
-      case '>' | 0x80000000:
+      case (soap_wchar)('>' | 0x80000000):
         if (flag)
           *s++ = '>';
         else
@@ -7380,7 +7380,7 @@ soap_string_in(struct soap *soap, int flag, long minlen, long maxlen)
 	  m = 3;
         }
         break;
-      case '&' | 0x80000000:
+      case (soap_wchar)('&' | 0x80000000):
         if (flag)
           *s++ = '&';
         else
@@ -7389,7 +7389,7 @@ soap_string_in(struct soap *soap, int flag, long minlen, long maxlen)
 	  m = 4;
         }
         break;
-      case '"' | 0x80000000:
+      case (soap_wchar)('"' | 0x80000000):
         if (flag)
           *s++ = '"';
         else
@@ -7398,7 +7398,7 @@ soap_string_in(struct soap *soap, int flag, long minlen, long maxlen)
 	  m = 5;
         }
         break;
-      case '\'' | 0x80000000:
+      case (soap_wchar)('\'' | 0x80000000):
         if (flag)
           *s++ = '\'';
         else