Add functions to list of exported functions

Additionally export the following fuctions (to make trab_config build again):
- simple_strtol()
- strcmp()

Also bump the ABI version to reflect this change

Signed-off-by: Martin Krause <martin.krause@tqs.de>
diff --git a/include/_exports.h b/include/_exports.h
index a0fbf2a..da6e088 100644
--- a/include/_exports.h
+++ b/include/_exports.h
@@ -15,6 +15,8 @@
 EXPORT_FUNC(getenv)
 EXPORT_FUNC(setenv)
 EXPORT_FUNC(simple_strtoul)
+EXPORT_FUNC(simple_strtol)
+EXPORT_FUNC(strcmp)
 #if defined(CONFIG_CMD_I2C)
 EXPORT_FUNC(i2c_write)
 EXPORT_FUNC(i2c_read)
diff --git a/include/exports.h b/include/exports.h
index 704b133..0516da9 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -23,6 +23,8 @@
 unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base);
 char *getenv (char *name);
 void setenv (char *varname, char *varvalue);
+long simple_strtol(const char *cp,char **endp,unsigned int base);
+int strcmp(const char * cs,const char * ct);
 #if defined(CONFIG_CMD_I2C)
 int i2c_write (uchar, uint, int , uchar* , int);
 int i2c_read (uchar, uint, int , uchar* , int);
@@ -40,7 +42,7 @@
 	XF_MAX
 };
 
-#define XF_VERSION	3
+#define XF_VERSION	4
 
 #if defined(CONFIG_I386)
 extern gd_t *global_data;